Sperry - Effects of Split Brain Surgery (1968)

Method

• The study involved a combination of case studies and experiments.
• The 11 participants had undergone split brain surgery due to epilepsy that couldn't be controlled by medication.
  • There was also a control group who hadn't undergone the surgery.
• In one experiment, participants were required to cover one eye and look at a fixed point on a projection screen.
  • Pictures were projected onto the right or left of the screen at high speeds so there was no time for eye movement

Results

• If the picture was shown in the right visual field, all of the participants could say or write down what it was with no issues.
• However, if the image was flashed in the…