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fMRI during affect discrimination in bipolar affective disorder.
- D. Yurgelun-Todd, S. Gruber, G. Kanayama, W. D. Killgore, A. Baird, A. Young
- Psychology, MedicineBipolar disorders
- 1 October 2000
Findings are consistent with the hypothesis that in some patients with bipolar affective disorder, there may be a reduction of frontal cortical function which may be associated with affective as well as attentional processing deficits.
Spatial working memory in heavy cannabis users: a functional magnetic resonance imaging study
- G. Kanayama, J. Rogowska, H. Pope, S. Gruber, D. Yurgelun-Todd
- Biology, PsychologyPsychopharmacology
- 16 June 2004
Recent cannabis users displayed greater and more widespread brain activation than normal subjects when attempting to perform a spatial working memory task, which suggests that recent cannabis users may experience subtle neurophysiological deficits, and that they compensate for these deficits by “working harder”—calling upon additional brain regions to meet the demands of the task.
The lifetime prevalence of anabolic-androgenic steroid use and dependence in Americans: current best estimates.
- H. Pope, G. Kanayama, A. Athey, Erin Ryan, J. Hudson, A. Baggish
- MedicineThe American journal on addictions
- 1 July 2014
Estimating the lifetime prevalence of anabolic-androgenic steroid (AAS) use and dependence among Americans suggests a surprisinigly high prevalence.
Long-term psychiatric and medical consequences of anabolic-androgenic steroid abuse: a looming public health concern?
Illicit anabolic–androgenic steroid use
Anabolic-androgenic steroid dependence: an emerging disorder.
The accumulating human and animal evidence showing that AAS may cause a distinct dependence syndrome is reviewed, and standard diagnostic criteria for substance dependence must be adapted slightly for cumulatively acting drugs such as AAS.
Over-the-Counter Drug Use in Gymnasiums: An Underrecognized Substance Abuse Problem?
- G. Kanayama, A. Gruber, H. G. Pope, Jr., J. Borowiecki, J. Hudson
- Medicine, Political SciencePsychotherapy and Psychosomatics
- 20 April 2001
Millions of men and women are currently using potent drugs, widely sold over the counter as ‘supplements’, despite their known adverse effects, unknown long-term risks, and possible potential for causing abuse or dependence.
Past anabolic-androgenic steroid use among men admitted for substance abuse treatment: an underrecognized problem?
- G. Kanayama, G. Cohane, R. Weiss, H. Pope
- Medicine, PsychologyThe Journal of clinical psychiatry
- 15 February 2003
Prior AAS use appears to be common but underrecognized among men entering inpatient substance abuse treatment, especially those with opioid dependence and may serve as a "gateway" to opioid abuse in some cases and may also cause morbidity in its own right.
Features of men with anabolic-androgenic steroid dependence: A comparison with nondependent AAS users and with AAS nonusers.