The Biological Approach

Broca
Patient could only say 'tan' - post mortem showed a lesion in left frontal lobe
1 of 16
Wernicke
Patients could talk but couldn't comprehend language - lesion in left temporal lobe
2 of 16
Siffre (1975)
lived in a cave with no external cues (light) and when emerged, believed the date to be a month earlier meaning his circadian rhythm increased
3 of 16
Aschoff and Weber
Participants stayed in a bunker with only artificial light - cycle lengthened to 25-27 hours
4 of 16
Duffy et al
Individual differences in circadian rhythms - morning people: 6am - 10pm. Evening people: 10am - 1am
5 of 16
Morgan (1995)
Bred hamsters with 20 hour rhythm then transplanted SCN neurons into the brains of normal hamsters - rhythms changed
6 of 16
Russel et al
Found that women's menstrual cycles synchronised due to odour exposure (sweat put on upper lip) even when the groups were separate
7 of 16
Reinberg
Women who spent 3 months in a cave - menstrual cycle shortened to 25.7 days (from 28)
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Lashley
Equipotentiality theory - higher order functions aren't lateralised
9 of 16
Sperry
Studied hemispheric lateralisation with 11 split-brain patients. Picture presented to left visual field, processed by right and vice-versa
10 of 16
Describe what you see
Patients weren't able to if presented to left visual field as language is dominant in the left hemisphere - could describe if presented to RVF
11 of 16
Drawing task
Left hand (controlled by RH) could draw better pictures that right hand even though all participants were right handed - right hemisphere is for visual motor tasks.
12 of 16
Rogers et al
Chicken - brain lateralisation enables multitasking as only using one hemisphere leaves the other hemisphere free to engage in other functions
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Turk et al
Patient suffered damage to left hemisphere but developed the capacity to speak in RH - suggests lateralisation isn't fixed and the brain can adapt
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Maguire et al
Role of the hippocampus is to facilitate spacial memory and navigation. MRI scans on male London taxi drivers (50 non taxi drivers to compare) - larger volume of hippocampus - correlation between amount of time taxi driving and volume in hippocampus
15 of 16
Kuhn et al
Found an increase in grey matter in various regions of the brain after participants played video games for 30 minutes over a two month period
16 of 16

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Card 2

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Wernicke

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Patients could talk but couldn't comprehend language - lesion in left temporal lobe

Card 3

Front

Siffre (1975)

Back

Preview of the front of card 3

Card 4

Front

Aschoff and Weber

Back

Preview of the front of card 4

Card 5

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Duffy et al

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Preview of the front of card 5
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