brain structure and aggresion Flashcards

1
Q

who was phineas gage

A

1848 he has an accident where a iron rod went straight through his skull
was said to be a kind and nice person before the accident and after was said to be quite aggressive and not like himself

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2
Q

frontal lobe

A

planning, controls behaviour, emotions, problem solving

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3
Q

parietal lobe

A

perception, spelling and knowledge of numbers

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4
Q

occipital lobe

A

visual, colour identification and visual proccessing

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5
Q

temporal lobe

A

understanding language, facial recognition and hearing/speech.

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6
Q

corpus callosum

A

takes messages between two hemispheres of the brain

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7
Q

what have lesions in the brain show

A

to activate aggressive behaviour

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8
Q

what’s hypothalamus

A

in limbic system and is a balancing role
to do with offensive, defensive and predatory behaviours

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9
Q

what is a cortex

A

outer layer of the brain

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10
Q

wheres the prefrontal cortex

A

prefrontal cortex is in front of the frontal lobe

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11
Q

what is the prefrontal cortex role

A

connections with parts of brain that relate to dopamine and serotonin
these relate to emotions

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12
Q

whats the limbic system

A

hippocampus
amygdala
hypothalamus

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13
Q

what does limbic system do

A

controls out temperature
role in self-preservation
fight or flight response

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14
Q

whats the hippocampus

A

memory and converting STM to LTM

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15
Q

whats the hypothalamus

A

balances the body
regulates temperature and hunger, thirst , pain response
regulate blood pressure and arousal
fight or flight

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16
Q

whats the amygdala

A

2 amygdala left and right

animal studies show that if amygdala is stimulated the animal shows aggression

animals with no amygdala become passive and unresponsive to fear

amygdala has a role in arousal, aggression and fight response

identifies the threat

17
Q

how is amygdala the centre of emotions

A

it intergrates internal and external stimuli which causes us to react to the environment