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Article
History of childhood adversity is positively associated with ventral striatal dopamine responses to amphetamine
Childhood exposure to severe or chronic trauma is an important risk factor for the later development of adult mental health problems, such as substance abuse. Even in nonclinical samples of healthy adults, per...
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Article
Volunteerism and self-selection bias in human positron emission tomography neuroimaging research
Scientists have known for decades that persons who volunteer for behavioral research may be different from those who decline participation and that characteristics differentiating volunteers from non-volunteer...
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Article
Association of Amphetamine-Induced Striatal Dopamine Release and Cortisol Responses to Psychological Stress
Preclinical studies have shown that stress and glucocorticoids increase mesolimbic dopamine (DA) and thereby facilitate psychostimulant self-administration. The relationship between stress-induced cortisol and...
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Article
Relationship between Cortisol Responses to Stress and Personality
Although there is growing evidence of links between the cortisol stress response and personality, the nature of the relationships and the underlying mechanisms require further clarification. The purpose of thi...
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Article
Relationships Among Ventral Striatal Dopamine Release, Cortisol Secretion, and Subjective Responses to Amphetamine
There is evidence that stress and glucocorticoids alter drug self-administration and mesolimbic dopamine (DA) activity in preclinical models. The primary purpose of this study was to test the hypothesis that g...
