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Summary Five approaches in psychology

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This is a set of summary notes that include all five approaches (biological, behaviourist, psychodynamic, cognitive and positive). Every summary has included: 1. Assumptions -with all assumptions -using SEE method State, Explain and Example -helping you to remember less but important keywo...

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  • April 17, 2023
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  • 2022/2023
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Biological Approach
CHOW YUET TIN CHLOE



Evolutionary influence localisation of brain function Neurotransmitters




Assumptions Raine (1997)

Evolutionary influence Aim
-Species change overtime in mind and behavior Study the active brain of murderers and non-murderers
-natural selection:genetically determined behavior
Method
that enhance the species to survive
a quasi-experiment with a matched pairs design.
-Environment of evolutionary adaptation(EEA)
Procedure
Localisation of brain function -Opportunity sampling
-The functions in different part of our brain 1. Participants were given a chance to practice the CPT before receiving the
-(graph)
FDG injection.
-Phineas Gage:survived in brain surgery and
discovered the relation between personality and 2. Thirty seconds before the FDG injection participants started the CPT so that
the function of the front parts of the brain. the initial task novelty wouldn’t be FDG labelled.
3. Thirty-two minutes after the FDG injection a PET scan was done of each
Neurotransmitters participant. Ten horizontal slices (pictures) of their brain were recorded using
-neurotransmitters=chemical messenger
the cortical peel and box techniques. The article provides precise details of the
-the process of how neurotransmitter is carry by
-oxytocin: a hormone linked to human bonding scanning techniques so that the study could be replicated.
and increase trust and loyalty
Result

Drug therapy Reduced activity (i.e. reduced glucose metabolism) in some areas, notably the
areas previously linked to violence (e.g. the prefrontal cortex, left angular gyrus and
corpus callosum).
Abnormal asymmetries: reduced activity on the left, greater activity on the right.
Antipsychotic
This applied to some of the areas identified in the hypothesis as being linked to
-Treat psychotic mental illness (schizophrenia)
violence (e.g. the amygdala, thalamus and hippocampus).
-Treatment: atypical antipsychotic drug No differences in some areas, notably those structures that were associated with
mental illness but not violence (e.g. the caudate, putamen, midbrain and
Antidepressant cerebellum).
-Treat depression, insufficient amounts of
neurotransmitters(sadness, tearfulness, hopeless) Conclusion
-Treatment: Selective serotonin reuptake inhibitor
Murderers pleading NGRI have significant differences in the metabolism of glucose in a
number of brain areas compared to non-murderers.
Antianxiety
-Treat anxiety, physical weakness
-Beta blockers(reduce activity of adrenaline)



Contemporary debate Evaluation of biological approach
Weaknesses
the Ethics of Neuroscience Strength Reductionist approach
understand consciousness Nature rather than nurture
treat criminal behavior
Scientific
Determinist approach individual difference
enhance neurological function
improve marketing skills Successful application

, Behaviourist Approach
CHOW YUET TIN CHLOE



Human are born like a Human and animal learn
Human learn through conditioning
blank slate (Tabula Rasa) in similar way




Assumptions Watson and Rayner (1920)

Blank slate(Tabula Rasa) Aim
whether it could be shown that our emotions can be acquired through classical conditioning.
-Tabula Rasa= Blank slate
-We are not born with in-built mental control that
Method
internal events don't drive our behavior
Controlled observation
-Immigration -> begin with no record, history
Procedure
Human learnt through conditioning Session 1: Establishing a conditioned emotional response
-Behavior learnt through conditionign Session 2: Testing the conditioned emotional response
-Classical conditioning(Ivan Pavlov-dog)
Session 3: Generalisation
-Operant conditioning(B.F. Skinner-rat)
-Example:Token economy system Session 4: Changing the environment
Session 5: The effect of time
Human and animal...similar ways (details outside)
-Human and animals learnt in similar ways
-They have the same law of learning Result
-Able to study animal learning in lab and make
After the continuous association of the white rat and loud noise, Little Albert was
generalisations about human behavior classically conditioned to experience fear at the sight of the rat.
-Pavlov-conditioning applies in behavior therapy
Albert's fear generalized to other stimuli that were similar to the rat, including a
Systematic desensitisation fur coat, some cotton wool, and a Father Christmas mask.


Aim:replace phobia with relaxation Conclusion
Counterconditioning This study demonstrated that such learned (conditioned) responses generalise to
-Reciprocal inhibition similar stimuli – Albert maintained a fearful response
-The relaxation skills that inhibits anxiety to many diff erent furry objects over the time he was studied.


Desensitisation hierarchy
-A series of gradual steps that are determined at
the beginning of therapy when the client and
therapist work out a hierarchy of feared stimuli
from least fearful to most fearful


Different forms of SD
-In vivo: comfort fear situation directly
-In vital: ask the subject to imagine the presence

Contemporary debate Evaluation of behaviourist approach

Using conditioning techniques to Strength Weaknesses
control the behaviour of children Scientific Emphasis on nurture
at home Focus on here and now Determinist approach
in school
Successful application More relevant to animals
peers
than human
vulnerable groups of children

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