PSYC62H3 Chapter Notes - Chapter 15: Neurotransmission, Dopamine Hypothesis Of Schizophrenia, Startle Response
Document Summary
Schizophrenia a severe, lifelong mental illness consisting of disturbed thinking, abnormal behavior, an inability to understand what is real, and impaired processing of emotions. Positive symptoms; addition of abnormal behaviors such as hallucinations, delusions, and thoughts of persecution in schizophrenia. Negative symptoms; reduction of normal behaviors such as reduced emotional responsiveness, social withdrawal, reduced movement, and lack of motivation in schizophrenia. The dsm-5 i(cid:374)(cid:272)ludes s(cid:272)hizophre(cid:374)ia i(cid:374) the (cid:272)ategor(cid:455) (cid:862) (cid:272)hizophre(cid:374)ia pe(cid:272)tru(cid:373) a(cid:374)d other ps(cid:455)(cid:272)hoti(cid:272) Treatment-resistant schizophrenia; patients with schizophrenia who exhibit minimal or no improvements after two trials with either typical or atypical antipsychotic drugs. Nearly all individuals with schizophrenia have moderate to severe deficits in cognitive functioning, including working memory, reference memory, attention, and executive functioning, compared to the general population. Many patients with schizophrenia demonstrate a sensory-gating deficit that is characterized by a diminished capacity to filter out unimportant stimuli in their environment. lead to misperceptions of their environment, possibly facilitating delusional behavior.
