Biological Psychology: Biology of mood disorders and schizophrenia

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Biological Psychology Flashcards on Biological Psychology: Biology of mood disorders and schizophrenia, created by Hannah Shakeshaft on 07/11/2016.
Hannah Shakeshaft
Flashcards by Hannah Shakeshaft, updated more than 1 year ago
Hannah Shakeshaft
Created by Hannah Shakeshaft over 7 years ago
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Question Answer
Biology of mood disorders and schizophrenia: Objectives - Identify the major mood disorders that affect otherwise “normal” people - Describe evidence that mood disorders have a biological basis - Describe symptoms of schizophrenia - Describe the evidence supporting the role that biology plays in the manifestation of schizophrenia
Schizophrenia Negative Symptoms (flat affect, impoverished thought and speech) Positive Symptoms (hallucinations, delusions, excited motor behaviour) Genetic component (studies - adoptions, family & twin)
Evidence for biological bases of schizophrenia The main evidence that schizophrenia has a biological basis is from studies of schizophrenics and their relatives. These studies have highlighted the genetic basis for schizophrenia.
Structural changes in the brain of schizophrenics - Enlargement of cerebral ventricles -Reduction in size of amygdala and hippocampus - Basal ganglia abnormalities - left hem (greater activity) - Reduction of activity in frontal lobe - Cerebellum shrinkage
Neurochemical changes in the brain of schizophrenics - Abnormally high levels of dopamine - Psychotic effects to amphetamine - Effects of anti-psychotic drugs - Parkinson's disease
Major Mood Disorders - Bipolar - Unipolar - MDD - Depression
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