Dopamine hypothesis 0.0 / 5 ? PsychologySchizophreniaA2/A-levelAQA Created by: lw121xCreated on: 24-05-15 13:09 Sz's thought abnormaility of d2 receptors = more neurones recieving dop= dop = more neurones firing 1 of 17 Dopamine neurones have a key role in maintaining attention 2 of 17 if dopamine neurons are disturbed problesms with attention and perception = SZ 3 of 17 brain of SZ patients have... higher dop 4 of 17 brain of SZ patients have higher dopamine = neurons fire too easily 5 of 17 amphetamines are dop agonists 6 of 17 dopamine agonists... stimulate nerve cells containing dopamine 7 of 17 rats given antagonists ie. anti psy drug or cocaine = sz agonist parkinsons antagonist sz agonist % parkinsons antagonist 8 of 17 Human EQ level is... 7 9 of 17 Rat EQ level is 0.5 10 of 17 Antipsychotic drugs block dopmaine 11 of 17 Davis done a meta analysis 12 of 17 who found that the effectiveness if SZ relapse compared to placebo was 55% compared to 19% Davis 13 of 17 Haracz found that most people showed evelvated levels of dop from anti psy before death showing that dop high consequence rather than cause 14 of 17 The biological approach is supported by Torrey 15 of 17 who found scizioifd personalities valuable in large tribles. Steven Price 16 of 17 Steven Price found that SZ personalitities were important because... they split too large tribes 17 of 17
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