منابع مشابه
NEUROSCIENCE. Illuminating anhedonia.
T he mesolimbic dopamine (DA) system is part of the brain’s reward circuitry (see the figure). It controls an individual’s responses to rewards such as food, social interactions, and money, and is therefore an important determinant of motivation. Midbrain DA neurons projecting to the striatum are causally involved in reward-like processes. Less clear is how another apparent target of midbrain D...
متن کاملNeurobiological mechanisms of anhedonia
Anhedonia refers to the reduced ability to experience pleasure, and has been studied in different neuropsychiatric disorders. Anhedonia is nevertheless considered as a core feature of major depressive disorder, according to DSM-IV criteria for major depression and the definition of melancholic subtype, and regarding its capacity to predict antidepressant response. Behavioral, electrophysiologic...
متن کاملAnticipatory anhedonia in schizophrenia subjects.
Anticipatory anhedonia in schizophrenia subjects L'anhédonie anticipatoire dans les schizo-phrénies Dear Editors, The distinction between the experience of pleasure related either to online experience in response to a specific stimulus (consummatory pleasure) or to future pleasurable activities (anticipatory pleasure) has been proposed by Klein [7] in a theoretical paper. Recently, accumulated ...
متن کاملFuture anhedonia and time discounting
The temporal location of an event influences the way people mentally represent that event. We suggest (a) that such representational differences can produce an affective forecasting error that we call future anhedonia, which is the belief that hedonic states will be less intense in the future than in the present, and (b) that future anhedonia plays a role in time discounting (i.e., the tendency...
متن کاملPhysical anhedonia in Parkinson's disease.
Anhedonia is the inability to experience physical or social pleasure. Its physical component is hypothesised to be due to dysfunction of a dopaminergic frontotemporal-subcortical circuit and has never been investigated as a possible affective complication of Parkinson's disease (PD). The aim of this study was to formally assess prevalence and correlates of physical anhedonia in PD patients comp...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: American Journal of Psychiatry
سال: 1922
ISSN: 0002-953X,1535-7228
DOI: 10.1176/ajp.79.1.87