Sperry
- Created by: emma
- Created on: 25-03-14 22:40
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- Sperry
- Aim
- Study psychological effects of hemispheric disconnection in split brain patients
- understand the function of left and right brain hemispheres
- Participants
- 11 split brain patients
- 2 patients successfully operated on some time before study 9 only recently undergone surgery
- to treat epilepsy
- Control group of people with intact corpus collosum
- 11 split brain patients
- Method
- Quasi
- Procedure
- Used a tachistoscope
- Allow info to be presented to just one hemisphere at a time
- Image flashed for 0.1 second on screen
- Prevent participant moving eyes and see stimulus with both eyes
- One eye covered and focus their vision on a fixed point
- Hands screened off
- Used a tachistoscope
- Results
- Participants said they had seen the word case (RVF, LH) would find a key with their left hand (LVF, RH) Had no idea what kind of case they had been shown
- Rude pic shown to LVF (RH) participant said they saw nothing but showed an appropriate emotional response
- Participants said they had seen the word case (RVF, LH) would find a key with their left hand (LVF, RH) Had no idea what kind of case they had been shown
- Conclusion
- Left hemisphere controls speech, right hemisphere controls object recognition
- Right hemisphere controls emotion
- Rude pic shown to LVF (RH) participant said they saw nothing but showed an appropriate emotional response
- Participants said they had seen the word case (RVF, LH) would find a key with their left hand (LVF, RH) Had no idea what kind of case they had been shown
- Right hemisphere controls emotion
- Left hemisphere controls speech, right hemisphere controls object recognition
- Aim
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