<prompt> Anhedonia seen in schizophrenia is linked to which of the following neurotransmitter abnormality?SerotoninDopamineGlutamateGABA  <response>: Anhedonia refers to the reduced ability to experience pleasure.In animal models severe stress causes nucleus accumbens dopamine neurons to become insensitive to CRF Coicotropin-Releasing Factor, resulting in reduced dopamine release and increased anhedonia.Ref: Kaplan and Sadock;s synopsis of psychiatry Pg 290 