According to Cloninger, three major personality dimensions, novelty seeking, harm avoidance, and reward dependence, are dependent on central monoaminergic systems. This study examined the relationship between the urinary levels of different monoamines and the above personality dimensions. Fifty normal men answered the Tridimensional Personality Questionnaire (TPQ); their levels of dopamine, norepinephrine, epinephrine, normetanephrine, metanephrine, 3-methoxy-4-hydroxyphenylglycol, vanilmandelic acid, homovanilic acid, and serotonin metabolite 5-hydroxyindolacetic acid were measured in urine on two consecutive nights. Significant and positive correlations were found between reward dependence, 3-methoxy-4-hydroxyphenylglycol, and epinephrine (r = .50 and r = .51, respectively). Monoamine levels explained 44% of the variance of reward dependence. Cluster analysis identified three groups of subjects presenting specific patterns of monoamine excretion. The TPQ scores could discriminate among subjects belonging to these clusters. These results point out a narrow relationship between urinary monoamine excretion and the basic personality dimension of reward dependence.
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http://dx.doi.org/10.1016/S0006-3223(96)00364-2 | DOI Listing |
Indian J Psychol Med
January 2025
All India Institute of Medical Sciences Bhopal, Madhya Pradesh, India.
Purpose Of The Review: Accidental autoerotic death, more commonly known as "autoerotic asphyxia," is an extreme paraphilic behavior wherein individuals induce cerebral hypoxia during self-stimulated sexual activities, often by constricting the neck or obstructing respiratory passages. Data on accidental deaths caused by autoerotic play is very low because of the non-disclosure of the mode/circumstances of death or non-paralleled forensic systems in many countries. There is a high likelihood of coexisting mental disorders with such behavior.
View Article and Find Full Text PDFJMIR Med Educ
January 2025
Department of Anesthesiology, Washington University School of Medicine, 660 S Euclid Avenue, Saint Louis, MO, United States, 1 3149565620.
Background: Mentoring, advising, and coaching are essential components of resident education and professional development. Despite their importance, there is limited literature exploring how anesthesiology faculty perceive these practices and their role in supporting residents.
Objective: This study aims to investigate anesthesiology faculty perspectives on the significance, implantation strategies, and challenges associated with mentorship, advising, and coaching in resident education.
Vitam Horm
January 2025
Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran. Electronic address:
Opioid use disorder (OUD) is considered a global health issue that affects various aspects of patients' lives and poses a considerable burden on society. Due to the high prevalence of remissions and relapses, novel therapeutic approaches are required to manage OUD. Deep brain stimulation (DBS) is one of the most promising clinical breakthroughs in translational neuroscience.
View Article and Find Full Text PDFBiol Psychiatry
January 2025
Institute of Biology Paris-Seine, laboratory Neuroscience Paris-Seine, CNRS, INSERM, Sorbonne Université, UPMC Université Paris 06 F-75005, Paris, France. Electronic address:
Background: The persistence of cocaine-evoked adaptations relies on gene regulations within the reward circuit, especially in the ventral striatum (i.e., nucleus accumbens (NAc)).
View Article and Find Full Text PDFPharmaceuticals (Basel)
January 2025
Department of Basic Sciences, Ponce Research Institute, Ponce Health Sciences University, Ponce, PR 00716, USA.
Background/objectives: Cocaine use disorder is an intersecting issue in populations with HIV-1, further exacerbating the clinical course of the disease and contributing to neurotoxicity and neuroinflammation. Cocaine and HIV neurotoxins play roles in neuronal damage during neuroHIV progression by disrupting glutamate homeostasis in the brain. Even with combined antiretroviral therapy (cART), HIV-1 Nef, an early viral protein expressed in approximately 1% of infected astrocytes, remains a key neurotoxin.
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