What is the dopamine hypothesis

    • The Dopamine Hypothesis of Schizophrenia - Advances in Neurobi…

      DOPAMINE HYPOTHESIS. Use two different highlighters to identify the points that support the hypothesis and those that do not. Amphetamines give similar symptoms to those of excess dopamine Phenothiazines (a group of drugs including chlorpromazine) block dopamine receptors Pet scans show Schizophrenics are more sensitive to amphetamines

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    • [DOC File]OCR GCSE Psychology Delivery Guide Learner Resource 11 ...

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      until recently the dopamine hypothesis was only ever supported by “indirect” evidence; now PET imaging has demonstrated that there is abnormal dopaminergic …

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    • [DOC File]STRENGTHS AND WEAKNESS OF THE DOPAMINE HYPOTHESIS

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      The Dopamine Hypothesis. Depression is caused by a deficiency in ..... If the brain is either unable to produce enough dopamine, or is partially ..... to the action …

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    • [DOC File]Neurochemical hypotheses

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      The original version of the dopamine hypothesis suggested that an ..... of dopamine activity may be responsible for schizophrenic symptoms, (hyperdominergia) in sub-cortical regions, e.g. the limbic system (Carlsson and Lindqvit, 1963) but an updated version (Davis, 1991) suggested that although there may be an excess of dopaminergic activity in some brain regions, schizophrenia is also ...

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    • [DOCX File]Paper 2 Clinical: Studies – Carlsson et al (2000)

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      The ‘Dopamine Hypothesis’ suggests that schizophrenia results from over-activity in the brain dopamine systems. Owen et al. (1978) found increased levels of dopamine and a relative excess of dopamine receptors in the brain tissue of schizophrenic patients.

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    • [DOCX File]Psychology: Clinical – Content (AJW)

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      Learner Resource 11 – The dopamine hypothesis. When understanding the dopamine hypothesis, you need to be able to explain the role of neurons and what synaptic transmission is. Label the key terms below on the diagram and explain what they mean: Synapse. Receptor . presynaptic neuron. postsynaptic neuron. dopamine. antipsychotic drug such as ...

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