Term
what was the aim of the study? |
|
Definition
to investigate brain latilisation and if each hemisphere has its own memories, perceptions and concepts |
|
|
Term
|
Definition
11-split-brain patients who had severe epilepsis and undergone a commistranotomy to sever their corpus collosum and seperate their hemispheres |
|
|
Term
why did the p's undergo the commisturotomy? |
|
Definition
because they had severe epilepsy that couldnt be controlled by drugs |
|
|
Term
what is the corpus collosum? |
|
Definition
a bundle of nerve fibers that connects the two hemispheres of the brain |
|
|
Term
what was the specially designed apparatus? |
|
Definition
allowed information to be presented to only one hemisphere by presenting it to a specific visual field (one eye covered, looking at a fixation point which stimulus was presented)or hand (hands shielded from vision) |
|
|
Term
what was the stimuli and how long was it presented for? |
|
Definition
words/images presented for 1/10th second |
|
|
Term
what was the tacktile task? |
|
Definition
objects placed in one hand (received by one hemisphere)had to find object again from grab bag with either same or different hand |
|
|
Term
|
Definition
which hemisphere information was presented to |
|
|
Term
|
Definition
if could describe/ find object/ draw image with left or right hand |
|
|
Term
when stimuli was presented to one visual field was it recognized by the other visual field? |
|
Definition
no - p stated they had never seen it and only recognised again if seen by the same visual field |
|
|
Term
what happened when stimuli was presented to the LVF(right hemisphere)? |
|
Definition
it could not be described in words but could be found with left hand not right |
|
|
Term
what happened when stimuli was presented to the RVF (left hemisphere)? |
|
Definition
can be described in words |
|
|