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QLDPsychologyQuick questions
Unit 3: Individual thinking
Quick questions on Localisation of brain function: lobes, hemispheres and the cognitive evidence (QCE Psychology Unit 3)
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are the four lobes?Show answer
The cerebral cortex, the outer wrinkled layer of the cerebrum, is divided into four lobes in each hemisphere.
What are evidence from lesion studies?Show answer
Lesion studies examine people whose brain damage produces predictable changes in behaviour, allowing inferences about what the damaged region normally does.
What are split-brain studies?Show answer
Roger Sperry and Michael Gazzaniga studied patients whose corpus callosum had been surgically cut to control severe epilepsy. With the hemispheres disconnected, the researchers could present information to one hemisphere at a time. When an object was shown only to the right hemisphere (left visual field), patients could not name it (because language sits in the left hemisphere) but could select it by touch with the left hand. This demonstrated that the two hemispheres can process information independently and that language is lateralised.
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