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You are here: Home / Steroid Articles / Psychological and Behavioural Effects of Endogenous Testosterone Levels and Anabolic-Androgenic Steroids Among Males: A Review, Part 1

Psychological and Behavioural Effects of Endogenous Testosterone Levels and Anabolic-Androgenic Steroids Among Males: A Review, Part 1

January 19, 1997 by Michael Bahkre, Charles Yesalis and James Wright 14 Comments

Brain on steroids

1. History of Anabolic-Androgenic Steroid Use in Competitive Sports and Medicine

The primary use of anabolic-androgenic steroids is in replacement therapy for male hypogonadism; other medical uses of anabolic-androgenic steroids include growth promotion in various forms of stunted growth, osteoporosis, mammary carcinoma, anaemias and hereditary angioneurotic oedema. Observation and clinical trials indicate that adjuvant therapy with anabolic-androgenic steroids can be supportive in the treatment of conditions characterised by a negative nitrogen balance: major surgery, cachexia of various origins, burns, traumata, convalescence from illness, injuries and immobilisations, as well as during radiotherapy and therapy with cytotoxic drugs (Kochakian 1976; Kopera 1976, 1985; Kruskemper 1968). Unfortunately, research concerning additional legitimate applications of anabolic-androgenic steroids has most likely been impeded by the existing emotional polarisation of anabolic-androgenic steroid supporters and opponents. As Kochakian (1990) has pointed out, the frequent and often hysterical references in the popular press to unsubstantiated adverse effects of anabolic-androgenic steroids has often resulted in the loss of both media and medical/scientific credibility, deterring research on beneficial and legitimate medical uses, and as a stimulus and encouragement for litigation against physicians.

The use of various physical and chemical aids in performance enhancement is not a novel problem but has been a feature of athletic competition since the beginning of recorded history (Csaky 1972; Strauss & Curry 1987). Ancient Greeks ate sesame seeds, bufotenin was used by the legendary berserkers in Norwegian mythology, and the Andean Indians and the Australian aborigines chewed, respectively, coca leaves and the pituri plant for stimulating and antifatiguing effects (Csaky 1972; Williams 1974). Anabolic steroids have been used by athletes to enhance appearance and performance for many years. The first ergogenic use of anabolic-androgenic steroids was reported to have occurred in the 1950s among weightlifters and bodybuilders (Wright 1978). Since that time their use has permeated a myriad of sports (Anderson & McKeag 1985, 1989; Buckley et al. 1988; Gilbert 1969; Starr 1981; Todd 1987; Wade 1972; Yesalis et al. 1990a). Payne (1979) suggested that the use of anabolic-androgenic steroids was a significant problem at the 1964 Olympic Games. Ljungqvist (1975) reported that one-third of a sample of elite track and field athletes in Sweden; surveyed admitted to systematic anabolic-androgenic steroid use by 1972. Silvester (1973) reported that 68% of a sample interviewed at the 1972 Olympic Games from 7 countries, and who were competing in such diverse activities as throwing, jumping, vaulting, sprinting, and running up to 5000m, admitted having used anabolic-androgenic steroids. Although it was suggested as early as 1973 (Frazier 1973) and reiterated later (Wright 1978, 1980, 1982), it is now evident that the use of anabolic-androgenic steroids is not limited to elite amateur and professional athletes. It has trickled down from the professional and college levels to the high schools and junior high schools (Buckley et al. 1988; Yesalis et al. 1989a, 1990a). The estimated prevalence of nonmedical anabolic-androgenic steroid use and the implications for society and public health have also prompted several scientific meetings, including a technical review at the National Institute on Drug Abuse in 1989, and both federal and state investigations and efforts to reclassify anabolic-androgenic steroids as controlled substances (Government Accounting Office 1989; Halligan et al. 1989; Taylor 1987a,b; Yesalis 1989; Yesalis et al. 1990a) despite nonconcurrence from the American Medical Association (AMA 1989).

Patterns of anabolic-androgenic steroid use among athletes have been determined from several surveys. Burkett and Falduto (1984) interviewed 24 weight-training athletes at a gymnasium in a metropolitan area of the southwestern United States. Subjects surveyed took a combined steroid does of 4 to 8 times the recommended medical does, used more than one anabolic-androgenic steroid at a time (‘stacking’), combined use of injectable and oral anabolic-androgenic steroids, and used the drugs frequently, usually in cycles (an episode of use from 6 to 12 weeks or more). Although Burkett and Falduto questioned a very specific sample of anabolic-androgenic steroid users, they concluded that their subjects seemed to be representative of the type of athletes who used anabolic-androgenic steroids. Cohen et al. (1988), in a study of hypercholesterolaemia in 21 male powerlifters using various anabolic-androgenic steroids, reported significantly higher levels of anabolic-androgenic steroid use in their subjects than Burkett and Falduto (1984), with daily dosages ranging from 60 to 400mg. Pope and Katz (1988) have also reported daily dosages between 10 and 200mg (of various anabolic-androgenic steroids) for anabolic-androgenic steroid users in their investigation of affective and psychotic symptoms associated with anabolic-androgenic steroid use.

Frankle et al. (1984) found that 110 of 250 weightlifters they interviewed in several gymnasia in the metropolitan Chicago area, many of whom were noncompetitive lifters, also used a variety of anabolic-androgenic steroids. 50 weightlifters were interviewed in detail; a majority (56%) had no competitive intents in weightlifting, bodybuilding or any other athletic events, a proportion that substantially exceeds that found by Buckley et al. (1988) in a nation-wide survey of male high school seniors. Frankle et al. (1984) concluded that anabolic-androgenic steroid abuse had reached alarming proportions in noncompetitive athletes.

The Buckley et al. (1988) survey suggests that one-quarter to one-half million adolescents in the United States have used or are currently using anabolic-androgenic steroids. Anderson and McKeag (1985) reporting on a nation-wide survey of alcohol and drug use among college athletes indicated that anabolic-androgenic steroids were used in all men’s sports, one women’s sport, and that the sport with the greatest admitted use (9%) was football. The overall anabolic-androgenic steroid use rate in all sports nationally was 4%. Anderson and McKeag (1989) replicated their original study 4 years later and although they found that overall use rates for anabolic-androgenic steroids had remained stable, anabolic-androgenic steroids were now being used in 2 additional women’s sports. A survey and follow-up telephone interview by Yesalis et al. (1988) following the 1987 US Powerlifting Federations’ National Championship found 33% of the initial respondents and 55% in a follow-up subsurvey of the same group, admitting previous anabolic-androgenic steroid use. Since athletes may have a propensity to underreport of disguise their actual anabolic-androgenic steroid use for various reasons, caution must be used when interpreting values concerning the prevalence of anabolic-androgenic steroid use by athletes.

Part 2: Potential Mechanisms for Some Anabolic-Androgenic Steroid Effects on the Nervous System

Originally appearing in Sports Medicine 10(5) 303-337. 1990. Copyright © 1990 by Adis International Limited. All rights reserved. Reprinted by MESO-Rx with permission. Any duplication of this document by electronic or other means is strictly prohibited.

About the author


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Michael Bahrke
Michael Bahkre
Science consultant at Health, Fitness, and Wellness, Ellison Bay

Michael S. Bahrke, BS, MS, PhD, US, master's degree in exercise physiology and a doctorate in sport psychology. Bahrke has been an assistant professor at the University of Kansas, director of research for the US Army Physical Fitness School, and project director for a National Institute on Drug Abuse-funded anabolic steroid research grant at the University of Illinois in Chicago. Authored and co-authored more than 80 scientific publications and has made presentations at numerous scientific meetings, including the International Conference on the Abuse and Trafficking of Anabolic Steroids, sponsored by the US Drug Enforcement Administration; the American Psychological Association; and the American Psychiatric Association.

Charles Yesalis
Charles Yesalis
Professor Emeritus of Health Policy and Administration at Pennsylvania State University

Dr. Yesalis' research has been devoted to the non-medical use of anabolic-androgenic steroids (AS) and other performance-enhancing drugs and dietary supplements. In 1988 he directed the first national study of AS use among adolescents and was the first to present evidence of psychological dependence on AS. In addition, he has studied the incidence of AS use among elite power lifters, collegiate athletes, and professional football players. In 1998 he wrote The Steroids Game which focuses on prevention, education, and intervention regarding AS use by adolescents. He is the editor of a medical reference text, Anabolic Steroids in Sport and Exercise (2nd ed.) and co-editor of Performance Enhancing Substances in Sport and Exercise.

James E. Wright
James Wright
Exercise physiologist at Sports Science Consultants

James E. Wright, PhD., is widely acknowledged as one of the world's leading authorities on anabolic steroids. He has authored and co-authored several books on the topic including Anabolic Steroids and Sports, Volumes I and II and Altered States: The Use and Abuse of Anabolic Steroids.

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Avatar of Eman Eman Jan 23, 2022 #1

"Joslyn (1973) has reported that injecting 3 infant female rhesus monkeys with 2mg of testosterone propionate intramuscularly 3 times per week over 8 months increased their aggressive behaviour so much so that they replaced males in top positions of the social hierarchy. Since this behaviour persisted for a year after the last hormone injection, the author suggests either that the male hormone may have directly induced a permanent change in the nervous system or alternatively that the socially dominant behaviour was so well learned during hormone treatment that it became independent of hormonal support."

That is fascinating.

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Avatar of Type-IIx Type-IIx Jan 23, 2022 #2

T seems to increase aggression by reduced activation of the orbitofrontal cortex, the neural circuitry of impulse control and self-regulation. But note that the effect size of T on a model of social aggression in humans is very small (r=0.35; barely significant). Higher testosterone in humans is related to aggression, social dominance, and hyperreactivity to status threats in both men and women. I have remarked before that I have a strong supposition that this is at the root of the romantic paranoia that users of tren often report (being "cucked" is the ultimate status threat).

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Avatar of Type-IIx Type-IIx Jan 23, 2022 #3

The Hannan et al. (1988) findings are very interesting for explaining some of the widespread anecdotal reports of particular psychological effects with nandrolone.

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Avatar of Iamnatty Iamnatty Jan 23, 2022 #4

Where do you find this information at.

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Avatar of Mac11wildcat Mac11wildcat Jan 23, 2022 #5

What interests me is the varied psychological effects we see. Whether it’s just a variation of the original disposition of the user, the age at onset of use, or sensitivity to individual drugs themselves. Tren is the ‘obvious’ one, but EQ is getting quite a reputation for inducing anxiety.

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Avatar of Millard Millard Jan 24, 2022 #6

Yeah, the idea that permanent changes occur with limited AAS use is very interesting but also that researchers allowed for the possibility that the learned behavior is what changed the nervous system in the long-term.

I remember as a undergrad RA, my mentor was really excited by research showing that CBT could induce brain changes similar to that seen with meds.

I can totally see learned behavior (e.g. social/sexual confidence, etc) while on AAS persisting long after discontinuation in many users.

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Avatar of Millard Millard Jan 24, 2022 #7

It's in part 2 of the above article discussing ways AAS could affect the CNS.

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Avatar of Cherokee Cherokee Jan 24, 2022 #8


Cognitive Deficits in Long-Term Anabolic-Androgenic Steroid Users - PMC

Millions of individuals worldwide have used anabolic-androgenic steroids (AAS) to gain muscle or improve athletic performance. Recently, in vitro investigations have suggested that supraphysiologic AAS doses cause apoptosis of neuronal cells. These ...

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www.ncbi.nlm.nih.gov

preliminary findings raise the ominous possibility that long-term high-dose AAS exposure may cause cognitive deficits, notably in visuospatial memory.

Visuospatial function refers to cognitive processes necessary to "identify, integrate, and analyze space and visual form, details, structure and spatial relations" in more than one dimension.[1]

Visuospatial skills are needed for movement, depth and distance perception, and spatial navigation.[1] Impaired visuospatial skills can result in, for example, poor driving ability because distances are not judged correctly or difficulty navigating in space such as bumping into things.[1]

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Avatar of Eman Eman Jan 24, 2022 #9

Same. I think that's what really intrigues me by that paragraph... I mean, which is it?

I have wondered about this before. Many times in fact. I've always described it as "primal switches in the brain getting flipped". I have come to a passive conclusion that the switches get flipped on but they never actually get flipped back off even when the stimulus is gone.

Very cool collection of articles, I've never come across them before and I'm not familiar with any of those authors either. Really enjoy these older articles getting bumped!

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Avatar of Jin23 Jin23 Dec 13, 2022 #10

I had no idea meso had such roots. That's very nice to hear.

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Avatar of Rido Rido Dec 22, 2022 #11

UHH I gotta say. Tren is reminding me of nandrolone of me wanting to pound other women's pussy in and watch my wife have a train ran on her too...

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Avatar of lukiss96 lukiss96 Dec 22, 2022 #12

What I notice is probably different from most people, I get aggressive on equipoise stacked with test and calm on testosterone solo at any dose up to 1g.

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Avatar of T&H T&H Dec 22, 2022 #13

I've ran test, mast, primo, and a number of different orals at higher doses. Other than a few days of euphoria a few weeks into my first time using testosterone, I don't ever notice psychological changes when running AAS.

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Avatar of Type-IIx Type-IIx Dec 24, 2022 #14

Deviants are by definition deviations from the norm bro

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