AQA A-level Psychology: Revision Made Easy by Jean-Marc Lawton

Author:Jean-Marc Lawton [Lawton, Jean-Marc]
Language: eng
Format: azw3
ISBN: 9781471844546
Publisher: Hodder Education
Published: 2017-03-27T04:00:00+00:00

Fig 8.2 Can we behave how we want, or are our actions determined?

Focal study

Domanski (2013) reported on the case study of Louis Leborgne conducted by Paul Broca to assess the role of the left temporal lobe in producing speech. Leborgne suffered with epilepsy and lost the ability to speak (other than the word ‘Tan’). He was hospitalised at age 30 and died there in 1861, aged 51 years. Broca performed a post mortem on Leborgne’s brain and found a lesion (area of damage) on the left temporal lobe. This was the only area of damage visible, so Broca concluded that this brain area is responsible for the production of speech. The area is known to this day as Broca’s area. The study indicates that there is a specific brain area for a specific form of behaviour, which is an example of biological determinism, as damage to Broca’s area leads to impaired speech production that is beyond the control of an individual.

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