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BIOLOGICAL MODEL( WJEC)

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biological approach wjec summary mind map
beckyjohu
Mind Map by beckyjohu, updated more than 1 year ago
beckyjohu
Created by beckyjohu over 6 years ago
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Resource summary

BIOLOGICAL MODEL( WJEC)
  1. ASSUMPTIONS
    1. Evolutionary approach
      1. adaptive
        1. EXAMPLE: altruism
        2. E.E.A
        3. Neurotransmitters
          1. nerve cells i.e neurons
            1. presynaptic vesicle
              1. post synaptic
                1. synaptic cleft
                2. examples:
                  1. serotonin and depression
                    1. dopamine and schizo
                  2. localisation of the brain
                    1. outer cortex= cerebral cortex for higher cognitive functions
                      1. split into 4 lobes
                        1. frontal lobe e.g.personality,problem solving
                          1. temporal lobe = hearing
                            1. occipital lobe = vision and colour
                              1. parietal lobe = pain and touch
                          2. DRUG THERAPY
                            1. ANTI ANXIETY
                              1. Stress, phobias
                                1. reduce adrenaline and noradremanline
                                  1. BETA BLOCKERS reduce the above
                                2. Benzodiazepines e.g. increase GABA which reduces anxiety.
                                3. ANTIDEPRESSANTS
                                  1. depression
                                    1. SSRIS e.g. prozac
                                      1. increase reuptake of serotonin
                                    2. ANTIPSYCHOTICS
                                      1. psychotic disorders e.g schizo
                                        1. decrease dopamine in the brain to reduce hallucinations
                                          1. newer atypical drugs e.g. chlozaril
                                      2. KEY STUDY = RAINE
                                        1. METHOD
                                          1. 41(39/2) Age 34
                                            1. quasi experiment
                                              1. matched design
                                                1. age/ gender
                                              2. PROCEDURE
                                                1. opportunity sample
                                                  1. PET SCAN compare NGRI/control
                                                    1. injected with glucose tracer FDG
                                                      1. given CPT task before test
                                                        1. 10 corticol peels after 32 mins took
                                                  2. FINDINGS
                                                    1. 1. Reduced in corpus collosum, prefrontal cortex and LH with HAT
                                                      1. 2. Increased in cerebellum/occipital lobe and RH with HAT( not previously linked to violence)
                                                        1. 3. no difference3. no difference bn NGRI and control e.g. putamen and midbrain, not previouslylinked
                                                        2. CONCLUSION
                                                        3. RELATIONSHIPS
                                                          1. Assumption : neurotransmitters
                                                            1. chemical messengers controlling behaviour and emotions
                                                              1. neurons- presynaptic vesicle inhibit or stimulate receptor neuron
                                                              2. example : oxytocin - hug hormone released during contact e.g.romantic relationships
                                                              3. Evolutionary approach
                                                                1. adaptive function
                                                                  1. e.g mother and child e.g. altruism
                                                              4. EVALUATION
                                                                1. SCIENTIFIC APPROACH
                                                                  1. Measured, tracked, objective e.g.
                                                                    1. PET scans in Raine study
                                                                      1. e.g. drug therapy
                                                                    2. DETERMINISITC
                                                                      1. predetermines behaviour so can be controlled
                                                                        1. e,g schizophrenia- dopamine
                                                                      2. SUCCESSFUL APPLICATIONS
                                                                        1. phamaceutical applications e.g. drug therapy
                                                                          1. Cherek and SSR
                                                                            1. drug therapy 60% improve with taking lithium ( Viguera et al)
                                                                          2. REDUCTIONIST
                                                                            1. NATURE RATHER THAN NURTURE
                                                                              1. INDIVIDUAL DIFFERENCES
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