Hemispheric Lateralisation (A03)

Question 1

Strengths

Answer 1

• Makes evolutionary sense
  
  • Increases multi-tasking ability
  • Roger et al. found that lateralisation was associated with chickens as they could find food and watch out for predators at the same time

Question 2

Limitations

Answer 2

• Differences between hemispheres are overstated
  
  • Turk et al. found that patients with a damaged left hemisphere could still develop the capacity to speak using the right hemisphere, suggesting that the brain must adapt after suffering damaged