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Neural Mechanisms
Descripción
A Level (Aggression) Psychology A2 Mapa Mental sobre Neural Mechanisms, creado por SophHatherlyx el 05/06/2013.
Sin etiquetas
aggression
psychology a2
psychology a2
aggression
a level
Mapa Mental por
SophHatherlyx
, actualizado hace más de 1 año
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Creado por
SophHatherlyx
hace alrededor de 11 años
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Resumen del Recurso
Neural Mechanisms
Seratonon
A01
Low seratonin levels are associated with aggression
Seranonin reduces aggression by inhibiting responses to stimuni that usually lead to aggression
MANN- Drugs that reduce seratonin increase aggression
A02
Support...
RAINE- neurotransmitters in antisocial, lower levels of seratonin in aggressive. also low in those attempted suicide
RALEIGH- animal, if given tryptophn, less aggressive
POPUVA- animals bred for docile and passive behaviour high levels of seratonin
Dopamine
A01
High dopamine levels associated with aggression
LAVINE- drugs to increase dopamine in studies linked to aggression
BUITELAAR- studies using drugs to reduce dopamine, eg antipsychotics, reduce aggression
A02
Support...
COUPPIS- path to brain in mice when aggressive, dopamine released, acts as reward
However...
SCERBO- found low levels of seratonin in aggression, but no significant rise or fall of dopamine
Testosterone
A01
High testosterone levels associated with aggression
DABBS- criminals with high testosterone had committed violent crimes/ low testoesterone, non violent crimes
'Callenge Hypethesis' testosterone only rises in response to social challenges resulting in aggression
A02
However...
ALBERT- claimed inconsistent results, too small studies, as most are of men in prisons relying on self report techniques
ARCHER- career women have higher levels. may be linked to assertiveness instead of aggression
A03
SOCIALLY SENSITIVE- may not want to admit they are aggressive
ANIMALS- not generalisable. bio and cognitively different
ANDROCENTRIC- testosterone, mostly conducted on males
Cortisol
A01
High levels inhibit testosterone and so aggression. Low levels correlate with violence
A02
Support...
MCBURNETT- boys with aggressive disorder, low cortisol levels, 3x level of aggressive symptoms. cortisol strong correlation with aggression
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