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A-Level Psychology - PAPER 3 - Aggression

Psychology12 CardsCreated about 1 month ago

Limbic System – Especially the amygdala, which plays a central role in processing emotions like fear and aggression.

What are the two NEURAL mechanisms in aggression ?

limbic system

- serotonin

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Key Terms

Term
Definition

What are the two NEURAL mechanisms in aggression ?

limbic system

- serotonin

What are the two components of the LIMBIC SYSTEM ?

amygdala

- hippocampus

What is the role of the AMYGDALA ?

evaluating the EMOTIONAL IMPORTANCE of SENSORY INFORMATION and promoting an APPROPRIATE RESPONSE

What research was done into the amygdala ?

43 / 51 normal behaviour after amygdala removed

What are the STRENGTHS for the amygdala ?

RESEARCH

MRI scans

lower amygdala volume = high (A)

What are the WEAKNESSES for the amygdala ?

EXACT ROLE IS UNKNOWN

Muller = 6 male psychopaths / 6 non-psychopaths

psychopaths = increased amygdala activity

Pardini = lower a...

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TermDefinition

What are the two NEURAL mechanisms in aggression ?

limbic system

- serotonin

What are the two components of the LIMBIC SYSTEM ?

amygdala

- hippocampus

What is the role of the AMYGDALA ?

evaluating the EMOTIONAL IMPORTANCE of SENSORY INFORMATION and promoting an APPROPRIATE RESPONSE

What research was done into the amygdala ?

43 / 51 normal behaviour after amygdala removed

What are the STRENGTHS for the amygdala ?

RESEARCH

MRI scans

lower amygdala volume = high (A)

What are the WEAKNESSES for the amygdala ?

EXACT ROLE IS UNKNOWN

Muller = 6 male psychopaths / 6 non-psychopaths

psychopaths = increased amygdala activity

Pardini = lower amygdala activity = increased (A)

What is the role of the HIPPOCAMPUS ?

formation of long-term memories

- compare current situation to past experiences

What research has been done in to the hippocampus ?

boccardi = HABITUALLY VIOLENT offenders exhibited abnormalities of hippocampus functioning

What are the STRENGTHS for the hippocampus ?

RESEARCH

- raine = successful and unsuccessful psychopaths = MRI showed abnormalities in unsuccessful

summer = 14yr old with tumour - aggressive manner

treated with drugs - returned to normal

What are the WEAKNESSES for the hippocampus ?

NOT CLEAR CUT

- many components in limbic system - not sure which part is implicated

What is the role of SEROTONIN ?

communication of impulses between neurons

normal levels have calming effect

low levels in PFC remove calming effect

What research has been done in to SEROTONIN ?

mann et al - drug that depletes serotonin - questionnaire to access hostility - those with drugs had increased hostility