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Major Studies of Drugs and Drug Policy
LaGuardia Committee Report on Marihuana - Table of Contents

The LaGuardia Committee Report on Marijuana



Rorschach Test

Table 14 gives the Rorschach findings for 45 subjects both in the undrugged and drugged states. The measurable changes on the test which occurred during the period of drug intoxication were few and not far-reaching. They may be considered indications of tendencies rather than of significant alterations of the personality.

(TABLE 14)

When the subjects were under the influence of marihuana (either 3- 6 cc. or cigarettes, the number of cigarettes being at the discretion of the smoker) there was a slightly freer flow of associations than there was when they were in the undrugged state, an increased productivity which coincided with the impressions obtained from general observation of the subjects when they were "high." Without drug the average number of interpretations made was 20.0, with drug 23.3. This increased number of responses was due primarily to the subject's greater awareness of small, extraneous details which in his undrugged state he overlooked. Thus, while 17 per cent of the subjects' answers were small or rare detail responses when no marihuana had been administered, with marihuana this increased to 21 per cent. Coincidental with his increased absorption in the irrelevant there was a slight decrease in the subject's drive to organize and synthesize. Whereas without drug 40 per cent of the responses involved the entire blot, with drug this was true of only 36 per cent of the interpretations. Under the influence of marihuana there was a mild tendency for the subject to become preoccupied with minutiae rather than to concern himself with the larger, more important aspects of a situation, and this implies some falling off in meaningful constructive behavior.

When the subject had taken marihuana there was some decrease in the objectivity with which he sized up situations. This was indicated by the fact that without drug 92 per cent of his interpretations were good form, that is, they corresponded to the form of the blot, while with drug this percentage fell to 86 per cent. The drug had an adverse effect on the individual's critical faculty and he was more prone to jump to erroneous conclusions than he was when he was in the undrugged state.

The only other change that occurred on the Rorschach test after the ingestion of marihuana was the decrease in the subject's ability to think in line with the group. This showed itself in the decreased number of popular interpretations made, the drop being from 27 per cent without drug to 20 per cent with drug. In other words, during the period of drug intoxication an individual is somewhat less likely to see the obvious and the commonplace than he is in his normal state.

As important, or possibly even more important, than the changes which occurred on the Rorschach after ingestion or smoking of marihuana, is the fact that some of the most basic personality attributes remained unchanged. Thus it appeared that 33 per cent of the subjects in the undrugged state were what is described as introversive, that is, they were individuals who tend to withdraw somewhat from the world about them and depend primarily on their own inner resources for emotional stimulation; 20 per cent were extraversive, depending mainly on their environment for affective satisfaction; 20 per cent were ambivert, showing equal potentialities in both directions; and 27 per cent were emotionally constricted to the point where they gave little or no evidence of emotional response of any type. With drug 36 per cent were introversive, 22 per cent were extraversive, 20 per cent were ambivert, and 22 per cent were constricted. Marihuana ingestion or smoking served to dilate the emotional life of only 2 of the subjects and shifted the type of 1. In all 3 cases the change was actually a very slight one. The fact that the emotional trends remain essentially unchanged under the influence of marihuana was further revealed by the fact that the ratio for evaluating the individual's emo tional type, that is, the ratio of movement to color, remained roughly the same before and after he had taken the drug, being 2.3:1.6 when he was in the undrugged state and 2.9:2.1 when he was in the drugged phase.

Although the quantitative changes occurring with marihuana ingestion or smoking were not large, there was a qualitative difference in the protocols obtained from the subjects in the undrugged and drugged stages. Not only was there a slight increase in the actual number of interpretations made, but the amount of talking and extraneous comment increased. The subject played around with answers and often repeated them. He seemed anxious to get his every thought clearly across to his audience. More than this, he was much freer in the type of interpretation he allowed himself.

For example, one interpretation on Card II read: "Two dogs. Now wait a minute. I don't want to jump to conclusions but it looks as if the dogs were having intercourse and there was a rupture." This response was not repeated when the subject was retested in the undrugged state. Nor was this individual unique in showing this qualitative difference. The disinhibition and lessening of restraint which was a definitely observable effect of the drug was also reflected in the assured explanations and lengthy tirades which the subject offered on topics which in his undrugged state he would undoubtedly feel were beyond him. Thus one subject interpreted Card X as "old bark of trees, roots dried up. It's thousands of years old; it takes thousands of years to do that. I got to tell you that. I got to cover for you. You wouldn't know about a thousand years ago. I'm smart now." In some instances the "cockiness" induced by his drugged condition produced an entirely new attitude in the subject. Instead of the customary deferential, almost ingratiating approach there was now a confident "know-it-all" manner.

The effects of marihuana ingestion on user and non-user were essentially the same, as indicated by the findings in Table 14, except that on the whole the alterations which did occur were more marked for the non-user than for the user. Thus, for example, while the average number of responses given by the user increased only 11 per cent, those of the non-user rose 26 per cent. Again, the user when drugged gave only 6 per cent fewer whole answers as against a decrease of 15 per cent in the whole responses of the non-user in the drugged state. The user showed a 29 per cent increase in small detail interpretations, the non-user 31 per cent. There was only a 2 per cent drop in good form interpretation by the user as against a 12 per cent drop for the non-user. Only in the loss of popular interpretations did the user exceed the non-user, his falling off being as great as 31 per cent as compared with 24 per cent for the non-user. While the number of subjects in both groups was too small to allow of definite statements, the trend seemed to indicate that the ingestion or smoking of marihuana has a greater adverse or disorganizing effect on the neophyte than on the experienced smoker, again, as was the case in the study of mental functioning, suggesting the possibility of psychological habituation.

When the protocols obtained from these marihuana users in their undrugged state are compared with those of the nonusers or with the norms postulated for average adults of this age level, certain deviating personality traits in these users may be noted. The most striking deviation is the small percentage of users who showed an extraversive personality. Only 15 per cent of the marihuana users used in this study responded primarily to emotional stimuli in the world about them as compared with 28 per cent of the non-users.

While no definite figures are given in the literature for the degree of extraversion in the general population, it seems definitely more than 15 per cent. Altogether the personality types among the non-users show a much more even distribution than those among the users as seen in Table 15. Judging by the personality types the majority of marihuana users lack social ease and adroitness and are likely to find it difficult to make good outgoing social contacts.

(TABLE 15)

Sixty-two per cent of the marihuana users' interpretations were determined by the form or outline of the blot. Such responses require an objective critical attitude unmodified by emotional factors. However, when this attitude is maintained to the point where more than 50 per cent of the answers are of this nature the individual has a constricted affective life the degree of constriction being in proportion to the increase in form interpretations Thus, as was previously noted, there was more than average emotional inhibition evident among the marihuana users studied in this experiment. Since emotional inhibition frequently causes intellectual constriction it is not surprising to find that the stereotypy in these records was slightly above expectancy, as indicated by the fact that 59 per cent of the responses were animal or animal detail interpretations as compared with a norm of from 25 to 50 per cent.

Finally the marihuana users (as well as the non-users in this experiment) showed a depressive outlook in that more of their responses were determined by the gray and black colors than by the vivid colors. In interpreting this fact it must be borne in mind that the subjects were all prisoners and their depressive attitude may have been a reflection of their present situation rather than of a basic trait.

Goodenough Test (Drawing of a Man)

This test is helpful in studying each individual both in the drugged and undrugged state, but group results are not meaningful (except for one finding given below) because of a lack of similarity both in the drawings obtained in the undrugged state and in the direction of change which occurred after drug ingestion or smoking. However, certain qualitative findings proved interesting and are therefore reported here. In a number of cases the identical drawing was produced in the undrugged, 2 cc., 5 cc., and cigarette state, but the size of the figure increased consistently with the amount of marihuana taken. This increase in size may have been a reflection of a physical sensation induced by the drug, rnay have been due to a tendency to macrographia which was noted in the writing of some subjects, or may have been the psychological representation of increased feelings of confidence and security.

With marihuana there was an increase in the percentage of subjects who remembered to give their man ears. This again may have been due to a heightened awareness of ears because of physical or auditory sensations or might denote a greater receptivity to what others have to say.

In some cases the amount of time consumed in execution of the drawings was considerably greater when the subject was "high." This additional time was rarely used for elaborating the picture but was caused by the subject's altered mood. In many instances the laughter and joking in which he indulged kept him from completing the job with dispatch. In other cases depression or nausea slowed him up. Although aware of the details which should be included, the subject was often satisfied to indicate such items by a single line or dash rather than discipline himself to the point where he could make a careful picture. In some of these cases the drawing had attributes which resemble the findings sometimes seen in productions of individuals in a manic mood.

When a person is given a sheet of paper and is asked to draw a man on it, the paper and the figure he draws become the situation he must manipulate. If the figure is well centered so that the finished product gives a balanced composition, the subject has handled the circumstance in adequate fashion. The one consistent finding for this test was the fact that the subject's ability to handle situations was not improved by drug ingestion or smoking. In the case of both user and non-user the percentage of balanced compositions produced in the various drug states did not change from the results obtained in the undrugged condition. It is, however, interesting to note that 59 per cent of the marihuana users made "unbalanced" drawings in the undrugged state as compared with only 29 per cent of the non-users. It may be inferred from this that fewer users than non-users are inclined to come out into the center of the scene. This carries with it implications of poor adjustment and insecurity.

Level of Aspiration Test

In the undrugged state the majority of the subjects manifested reactions which are usual in the experience of other experiments, namely, the tendency to place their estimate just a little above their actual performance. This was demonstrated by the fact that while the average performance time needed for carrying out a set task (putting sixteen blocks in a box, red side up) was 23.6 seconds, the subjects' average estimate for accomplishing this was 21.9 seconds. As their performance improved with practice, the subjects tended to allow themselves less time for the job. Such statements as, "I should do better this time," or "I'll take a chance," were not infrequent. Some subjects wanted to know the best score ever made, and worked energetically to attain it.

With 2 cc. of marihuana there was a slight increase in the average estimated time for the entire group although there was no concomitant increase in performance time. Under this dosage the estimated time was 23.1 seconds, performance time 23.4 seconds. Although the subject actually took no longer to do the job he thought he would work more slowly and in predicting his achievement gave himself more time. His attitude during the test was a much easier, more happy go-lucky one. He occasionally stopped in the middle of the experiment to discuss something with the examiner or call out to someone passing in the hall. There thus appeared to be a small loss in drive which, though not revealed by significant statistical differences, was indicated by the numerical trend and by the subject's attitude toward the test.

After the ingestion of 5 cc. of marihuana the average estimated time was 23.2 seconds and the performance time 24.4 seconds. Here the relationship between estimated and performance time was similar to that found in the undrugged phase, that is, there was a 1.2 second gap between them. During this drug phase the subjects seemed less relaxed than they were under 2 cc., and their main interest seemed to be to get back to bed and be left undisturbed.

Under the influence of marihuana cigarettes the trend was similar to that found with 2 cc., the difference between the estimated time and the performance time being only 0.3 second. As with 2 cc., subjects behavior was generally happy and relaxed.

When the group was divided into users and non-users the trend was the same for both.

(TABLE 16)

On the whole it appears that small doses of marihuana and of marihuana cigarettes tend to lower the individual level of aspiration, that is, there is a slight lessening in the subject's drive and his will to achieve. Larger doses (5 cc.) do not produce this effect.

Frustration Test

The results of the frustration experiment indicated no statistically significant differences between the subject's reactions before and after he had taken marihuana. Again, after the ingestion of marihuana there was a slight trend toward lowering the level of aspiration (Table 17), but the over-all change was not startling when compared with results on the Level of Aspiration Test when no frustrating experience was introduced.

(TABLE 17)

Binet Lines

Binet's interpretation of this test was based upon the principle that suggestible individuals, once embarked on a particular form of activity (in this instance, drawing lines of increasing length), ale more prone to continue this activity when the stimulus is altered than are less suggestible people. Judging by the results as given in Table 18, small doses of marihuana (2 cc. and cigarettes) induced thus type of perseverative behavior in the users but not in the non- users. In other words, the marihuana user when under the influence of the drug tended to continue an activity he had started without being too discriminatory or controlled about it. The non-user, on the other hand, showed a curtailment in activity and responsiveness. One possible explanation of this difference in effect on user and non-user appears to lie in the fact that the drug made the user more relaxed and easy-going and less controlled in motor activity than he was in his undrugged state, while the non-user was often more tense and disturbed. As was so often the case in the personality tests, the effect on the user of large doses of the drug (S cc.) was contrary to that of the small ones, probably because in many cases he was made physically uncomfortable and intellectually disorganized.

(TABLE 18)

The lack of consistency in the findings seems to suggest that the individual's psychological and physiological "set" toward the drug affects his reaction and behavior. Thus small doses, which the marihuana user anticipates with pleasure make him more easy-going and therefore probably more suggestible than he would be in his undrugged state, while large doses have a contrary effect. The non-user, on the other hand, appears to be less suggestible as a result of drug ingestion than he ordinarily is.

Wechsler Vocational Interest Blank

The average number of positions chosen by the subjects when they were in the undrugged state was 13.2. With 2 cc. of marihuana the average was 12.9; with 5 cc., 12.7; and with cigarettes, 11.8. There was a very slight but not statistically significant trend toward a decrease in job interest. However, the absence of any appreciable change in the number of positions liked after the ingestion or smoking of marihuana indicates that no real withdrawal is implied.

Analysis of the type of position chosen shows that under the influence of marihuana there was no swing to the more feminine occupations, but in the case of some subjects, especially marihuana users, there was a falling off in the popularity of some jobs which require considerable activity. For example, under the influence of 2 cc. of marihuana or of marihuana cigarettes the jobs of detective, policeman and taxi driver were found among his least desired occupations though they were not in this place when he was in the undrugged state.

The trend was the same for the user and the non-user in both the drugged and undrugged phase. For the user the jobs of aviator, gymnasium teacher, newspaper reporter, sailor and soldier were most frequently chosen; for the non-user aviator, doctor, explorer, forest ranger, newspaper reporter and prize fighter were most popular.

Loofbourrow Personal Index: Test I

Before taking marihuana, the user and non-user on an average indicated familiarity with an identical number of words, 65.2. After he had smoked marihuana cigarettes, the user's vocabulary showed a gain of 6 words, the non-user's 5 words. In both cases the subject's confidence in his verbal capacity was enhanced by the use of marihuana.

Wechsler Free Association Test

In the undrugged state the user and non-user were disturbed by the same stimulus words, namely "lonely," "passionate," "insult," and "sin." The only differences were the disturbance the user showed in response to the words "wish" and "murder" and the delayed reaction of the non-user to the word "pity."

Under the influence of 5 cc. of marihuana or of marihuana cigarettes the user was less disturbed by all these words with the possible exception of "insult," but there was a sharp increase in the agitation aroused by the words "suicide" and "death." It appears that the feeling of well-being produced by the drug tended to alleviate the loneliness, guilt, and frustration which the subject felt, but it was also accompanied by a fear of death. This may be tied up with the anxiety the marihuana user always experiences in regard to the amount of drug he is taking, the always present fear of his "blowing his top," or it may be a reflection of the problems which were most disturbing to him.

The non-user, after taking marihuana, was also less disturbed by the words "lonely," "passionate," and "sin." His reaction to "pity" was also diminished but he, too, was still upset by the word "insult." The new disturbing stimulus words were not those which upset the user but those which were more closely related to his own immediate problems namely "honest," "money," and "sex." Since the non-user in our group was generally an individual who had been sent to prison because of stealing or a sex offense, it seems it was these problems which the disinhibiting action of the drug brought to the fore.

Pressey X-O Test

This test was taken by only 10 subjects, 5 users and 5 nonusers. In general, the smoking of marihuana brought about some increase in the number of words which had an unpleasant meaning to the subject and in the number of things about which he had worried. There was some decrease in the number of things for which the drugged subject thought a person should be blamed. The number of his associations with any one word remained roughly the same in the drugged and undrugged state.

Although less inclined to censure when under the influence of marihuana, the subject was nevertheless more readily disturbed and worried. This undercurrent of irritability and anxiety seemed to be a concomitant of the more obvious feeling of general well-being which is the predominant effect of the drug. Two possible explanations can be given here for this finding: the physiological changes occurring with the smoking -of the drug gave the subject a feeling of anxiety, and the disinhibition which occurred at this time released the restraints which had been imposed not only on the happier reactions but on all the repressed unpleasantness as well, and things which the subject had repressed because he wished to forget them now came to the fore. This was noted when at least two of the subjects had "crying jags" when drugged, reproaching themselves for what they had done to their mothers and wives.

Downey Will-Temperament Test: Test I

The changes in the subjects' responses on this test showed a shift in their attitude toward themselves as a result of marihuana ingestion. On the whole, more subjects appeared to think better of themselves when they were "high" than they did in their undrugged state. This is indicated by the fact that there was an increase in the number of individuals who under the influence of 5 cc. of marihuana or of marihuana cigarettes believed themselves to be careful, cautious, ambitious, accurate, industrious, impulsive, enthusiastic, and possessing superior characters. There was also a decrease in the number who considered themselves suggestible or extravagant. The only negative traits which the subject admitted to more frequently when he was "high" than he did in his normal state were suggestibility, poor memory and aggression. The change in attitude in regard to aggression was most striking among the marihuana users, 88 per cent of whom considered themselves aggressive after they had had the drug as compared with only 42 per cent in the undrugged state. This increase in the feeling of aggression was not paralleled by the findings of the other tests nor by the behavior of the subjects when they had taken the drug. Like the increased vocabulary noted on the Loofbourrow it can best be interpreted as an indication of the subject's increased feelings of confidence and self-assurance.

(Table 19)

In general the changes which occurred on this test after the subject had had marihuana were not consistent for the user and the non-user or for different amounts of the drug. They merely served to indicate that when the subject was under the influence of marihuana there were shifts in his feelings about himself which reflected a prevailing mood of confidence and self- satisfaction.

Thematic Apperception Test

Without cigarettes the needs most frequently expressed in the subjects' stories were "affiliation," "aggression," "sex," "dominance," "succorance," "self-abasement," and "play." These terms may be defined as follows:(1) Affiliation: to be sociable, to make friends, to love. Aggression: to fight, to criticize, to blame, to accuse or ridicule maliciously, to injure or kill, sadism. Sex: to seek sex objects, to court, to enjoy intercourse. Dominance: to influence or control others, leadership. Succorance: to seek aid, protection or sympathy. Selfabasement: to comply, to surrender, to accept punishment, to apologize, to condone, to atone, to depreciate ego, masochism. Play: to relax tension and alleviate stress by pleasurable and humorously irresponsible activity, motor, verbal or mental.

In general the frequency with which all needs were expressed fell off after the subjects had smoked marihuana cigarettes. The most striking drops were in the need for self-abasement and aggression where the frequency of occurrence changed from 2.4 to 1.1 for the former, and from 2.7 to 1.7 for the latter. Contrary to the general trend there was an increase in the need for dominance.

When the subjects were not "high" the environmental influences most frequently mentioned in their stories were illness and death and accepting parents. After smoking marihuana the general trend was similar to that noted for the "needs," that is there was a falling off in the frequency with which the subjects used most of the concepts.

There was, however, no diminution in the number of times that illness and death played a part in their tales, the average number being 2.1 before smoking and 2.2 after smoking. Likewise the awareness of restraint and imprisonment remained constant, occurring 1.1 times before smoking and 1.2 after. Contrary to the general trend there was an increased awareness of an accepting love object. This concept appeared in the stories on an average of .8 time before smoking and 1.2 after.

The decrease in the number of times both needs and environmental pressures were expressed in the stories given after the subjects had had cigarettes was not due to a curtailment in the length of the story. The tales were often more wordy in the drugged than in the undrugged state, but their length was frequently due to embellishment and repetition, and there was likely to be less meaningful material. In general the stories obtained from the subjects after smoking indicated that they had less capacity for expressing themselves directly and clearly, and also less concern with self-abasement and aggression. As defined on this test these needs represent a conflict between aggression against the self and against others and appear to stem from insecurity and feelings of guilt and inadequacy. In the drugged state the subjects appeared less disturbed by this conflict and had less need to harry themselves and others. They had a greater need for dominance, a desire for leadership. This ties in with the greater self-assurance demonstrated by other tests and with the increased awareness of acceptance by a love object found on this test.

It is interesting to note that these subjects showed no falling off in their awareness of illness and death or of restraint and imprisonment after smoking. The frequency of the latter concept was undoubtedly related to their status as prisoners, while the former ties in with the findings on the Free Association Test where the word "death" remained a disturbing factor even after marihuana had been smoked or ingested.

(1) Directions for Thematic Apperception Test prepared by Robert W. White and R. Nevitt-Sanford, Harvard Psychological Clinic, February 1941.


As in the case with the men, when the female subject was under the influence of marihuana her basic personality structure did not change and only some relatively superficial emotional reactions were different. As a group, the women used in this study showed a somewhat constricted personality, and this constriction was not lessened when the subject was "high." The emotional reactions revealed in the Rorschach Test showed that the subjects in this particular group were primarily extraversive, and this remained unchanged after the administration of marihuana. Again, like the men, when under the influence of the drug the women lowered the achievement levels they set for themselves. However, they did not show any increased self-confidence as did the men, either by an increase in the number of words they claimed to know in the Loofbourrow Test or in their appraisal of themselves as indicated in the Downey Will-Temperament Test. In general, the women exhibited a loss of drive for participation in anything requiring effort. This is inferred from their performance in the Level of Aspiration Test, the Vocational Interest Blank, and the Binet Lines Test, as well as from their behavior.


The findings reported here have all been in terms of objective, quantitative measures. Some effects of the drug, observable during examinations, cannot be quantified but are nevertheless important to the understanding of the drug action. These effects were reflected in those reactions of the subjects which were not directly related to the test situation Behavior was somewhat different when the subject had ingested marihuana concentrate than it was when he had taken the drug in cigarette form. With pills gastrointestinal disturbances were more pronounced and drowsiness and fatigue seemed greater and more enduring. Some individuals were so overcome by fatigue that they worked for a few seconds only, and then sat with their heads on the table. If spoken to, they made a great effort to do the work but rarely continued for very long. When summoned to take the test, especially toward the end of the day when they were almost invariably lying on their beds, the subjects were overcome with fatigue and were aroused only with the greatest difficulty. In some instances there was definite resentment of this disturbance and the impression was that only the presence of the police officer and all the implications in the prison set-up prevented a definite refusal to continue cooperatively. With both pills and cigarettes many of the men had difficulty in concentrating and maintaining a fixed goal. Subjects often stared vacantly for long periods and when addressed came back to the test with a start. Many burst into uncontrollable laughter over a test which in their undrugged state had evoked no merriment. The laughter frequently affected the entire group and most markedly those who had been given marihuana.

The behavior of the user and non-user with marihuana cigarettes was somewhat different. The user was pleasantly excited at the thought of smoking, selected his cigarettes with the manner of a connoisseur, and criticized or praised the product offered him. His smoking took on something of a ritualistic ceremony and was done in a careful and prearranged fashion which varied slightly from individual to individual. In general the men first opened the end of the cigarette to examine the marihuana, then wet the "stick" by inserting it in their mouths to prevent the paper from burning too rapidly. When the cigarette was ignited the men took several short puffs, at the same time inhaling as much air as possible. This caused the tip of the "stick" to glow and resulted in a succession of low gasping sounds from the subject The smoke was retained as long as possible, occasionally causing severe paroxysms of coughing. Although eager to be "high" the user was consistent in his fear of "blowing his top," and there was always a point beyond which no amount of talking or cajoling could make them continue smoking.

As a rule, the user liked to smoke in company. He was generally satisfied if one friend, a "kick partner," could be with him. To this friend he would explain his thoughts and feelings which to the objective observer were very superficial. In trying to make a point, and usually a minor one at that, the user, when smoking, would talk on endlessly and soon lose his goal. He cracked many "jokes" which were uproariously funny to him. In some instances "leaping" or involuntary jerking of the arms, head, shoulders or legs occurred The subject described his sensations as floating, leaping, rocking or most often as being "in the groove." He was obviously enjoying pleasant physical sensations and wanted to be left to himself to lie on his bed, listen to soft music and dream or carry on "deep" conversations. The test questions were frequently called a "bring down" in that they forced the subject to face reality and abandon his pleasurable feelings. Several subjects concurred in describing part of their drug experience as comparable to the twilight state between sleeping and waking in which the individual floats pleasantly and does not allow outside stimuli to impinge. Just as strong extraneous sensations will bring the sleeper face to face with reality, so the insistence of the examiner that the subject perform certain tasks served to destroy his general feeling of well-being. Aside from the test situation any unpleasant circumstances can serve as a "bring down." This "bring down" apparently only results in destroying the subject's pleasure but cannot do away with the disadvantageous effect on intellectual functioning.

When testing was completed the subject generally lay on his bed and dozed or listened to the radio. His drowsiness persisted for many hours.

Most non-users approached the smoking with apprehension. They were instructed by the users in the art of lighting and inhaling, but they rarely cooperated to the fullest extent? though this was undoubtedly unconscious on their part.

The effects of marihuana on the non-users were variable. A few of them enjoyed the results so much that they claimed they would continue to smoke whenever they had a chance. They described such sensations as "lying in fur," and "floating in space." Some became acutely nauseous and could not continue with their work, while others experienced little or no change in feeling, undoubtedly because they never smoked correctly.

When the subjects were "high," particularly in the case of the non- user, there was a general loss of inhibition and lessening of many social restraints which had previously been exercised. Thus, all the men talked much more freely, confronted each other more directly, and manifested a state of well-being at times amounting to euphoria. They were much more confiding? talked spontaneously about love and sexual affairs, and in two instances exposed themselves and masturbated.

Although there was an undeniable increase in overt sex interest following the ingestion of marihuana, it seems probable that this interest was not the result of direct sexual stimulation but rather a manifestation of a falling off in inhibiting factors. This sex interest seems to have been due primarily to the fact that these men had been imprisoned for varying periods and had not had access to women. It is not at all certain that under free conditions or with different subjects this behavior would have been manifested. In any case, the behavior of these prisoners was more like that which any man deprived of sexual activity for a long period of time would display under a releasing stimulus and not at all like the behavior shown at marihuana "tea-pads."

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