The D2/3 dopamine receptor in pathological gambling: a positron emission tomography study with [11C]-(+)-propyl-hexahydro-naphtho-oxazin and [11C]raclopride (2013)

Addiction. 2013 May;108(5):953-63. doi: 10.1111/add.12066. Epub 2013 Jan 3. Boileau I, Payer D, Chugani B, Lobo D, Behzadi A, Rusjan PM, Houle S, Wilson AA, Warsh J, Kish SJ, Zack M. Source Addiction Imaging Research Group, Centre for Addiction and Mental Health, Toronto, ON, Canada. [email protected] Abstract AIMS: Pathological gambling (PG) shares diagnostic features with […]

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Sexual dysfunctions among young men: prevalence and associated factors (2012)

Comments: This study is from the Journal of Adolescent Health. The subjects mean age of was 19.5. In 1948 Kinsey reported ED rates of 3% for men under 45, and less than 1% for men 20 and under. Study: Sexual dysfunctions among young men: prevalence and associated factors. J Adolesc Health. 2012 Jul;51(1):25-31. doi: 10.1016/j.jadohealth.2012.01.008. […]

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One patient out of four with newly diagnosed erectile dysfunction is a young man–worrisome picture from the everyday clinical practice (2013)

Comments: New Italian study finds that 25% of new patients with severe erectile dysfunction are under 40. THE CONCLUSIONS: This exploratory analysis showed that one in four patients seeking first medical help for new onset ED was younger than 40 years. Almost half of the young men suffered from severe ED, with comparable rates in […]

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(L) Video games do not make vulnerable teens more violent, study says (2013)

Do violent video games such as ‘Mortal Kombat,’ ‘Halo’ and ‘Grand Theft Auto’ trigger teenagers with symptoms of depression or attention deficit disorder to become aggressive bullies or delinquents? No, according to Christopher Ferguson of Stetson University and independent researcher Cheryl Olson from the US in a study published in Springer’s Journal of Youth and […]

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Cognitive neuroscience of self-regulation failure (2011)

Trends Cogn Sci. 2011 Mar;15(3):132-9. doi: 10.1016/j.tics.2010.12.005. FULL STUDY Heatherton TF, Wagner DD. Department of Psychological and Brain Sciences, 6207 Moore Hall, Dartmouth College, Hanover, NH 03755, USA. [email protected] Abstract Self-regulatory failure is a core feature of many social and mental health problems. Self-regulation can be undermined by failures to transcend overwhelming temptations, negative moods […]

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DeltaFosB enhances the rewarding effects of cocaine while reducing the pro-depressive effects of the kappa-opioid receptor agonist U50488 (2012)

COMMENTS: Explains the differences between stress induced deltafosb induction and deltafosb induction that sensitizes the nucleus accumbens Biol Psychiatry. 2012 Jan 1;71(1):44-50. doi: 10.1016/j.biopsych.2011.08.011. Epub 2011 Sep 29. Muschamp JW, Nemeth CL, Robison AJ, Nestler EJ, Carlezon WA Jr. Source Department of Psychiatry, Harvard Medical School, McLean Hospital, 115 Mill Street, Belmont, MA 02478, USA. […]

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(L) Don’t Call it Hypersexuality: Why we Need the Term Sex Addiction, By Linda Hatch, PhD

What does it mean to say that sex addiction “exists” or “doesn’t exist” apart from the fact that denying its existence or rebutting the denials can get you your 15 minutes of fame. A diagnostic term is always a provisional construct, a tool for organizing information about phenomena we are trying to understand and work […]

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Pornography Addiction – A Supranormal Stimulus Considered in the Context of Neuroplasticity (2013)

Donald L. Hilton Jr., MD* Department of Neurosurgery, The University of Texas Health Sciences Center at San Antonio, USA Abstract Addiction has been a divisive term when applied to various compulsive sexual behaviors (CSBs), including obsessive use of pornography. Despite a growing acceptance of the existence of natural or process addictions based on an increased understanding of […]

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