AO3

• Lateralisation changes with age

  Lateralisation patterns found in younger individuals tend to switch to bilateral patterns in healthy older adults. For example,vSzaflarski et al found that language became more lateralised to the left hemisphere with increasing age in children and adults but after 25
• Limitations to spilt - brain research

  The spilt brain research is rarely carried out nowadays and Andrews (2001) points out that many studies are presented with as few as 3 participants or even just the 1 single participant
• One challenge to the idea of naturalization is that language does not seem to be restricted to the left hemisphere. For example, right handed people generally develop their language centres in the left hemisphere, but left hand of people may have them on either side or both sides