Sperry (1968) Hemisphere disconnection and unity in consciousness.
Jan 06, 2016
Lateralisation of Function
LEFT BRAIN FUNCTIONS
uses logicdetail oriented
facts rulewords and language
present and pastmath and sciencecan comprehend
knowingacknowledges
order/pattern perceptionknows object name
reality basedforms strategies
practicalsafe
RIGHT BRAIN FUNCTIONS uses feeling"big picture" orientedimagination rulessymbols and imagespresent and futurephilosophy & religioncan "get it" (i.e. meaning)believingappreciatesspatial perceptionknows object functionfantasy basedpresents possibilitiesimpetuousrisk taking
Right Hemisphere
Left Hemisphere
LVF RVF
What did you see?
? ? ? ? ? ? ?
Can you draw (with your left
hand) what you saw?
Right Hemisphere
Left Hemisphere
LVF RVF
What did you see?
Can you draw (with your right hand) what you
saw?
? ? ? ? ? ?
Right Hemisphere
Left Hemisphere
LVF
What did you see?
A question mark
Draw (with your left hand) what
you saw.
RVF
$ ?
$
Participants11 ‘split-brain’ patients who had undergone hemisphere disconnection because they had a history of advanced epilepsy – comparison groups of ‘normal’ people.
Independent Variable – not manipulatedHemisphere disconnection (or not).Dependent Variable Performance on visual and tactile task.
Quasi-experiment (no control over IV)
Visual (t-scope) - Tactile (touchy-feely) - Case Study