Temporal lobe lesions

Personality change may take the form of increased aggression and emotional lability, or resemble that seen with frontal lobe lesions.

Temporal lobe epilepsy may develop. This condition, even more than other types of epilepsy, has important psychiatric aspects. It is associated with neurotic disorder, mood disorder, schizophrenia, and high suicide rate.

Intellectual deficits can be verbal or non-verbal depending which side is involved. Memory defects occur with bilateral lesions.

Neurological impairments include contralateral homonymous upper quadrant visual field defect, contralateral limb weakness or sensory loss, and language difficulties in the case of dominant hemisphere lesions.

Wernicke's area, is required for comprehension; damage here produces reduced understanding, but speech output is fluent, albeit inaccurate.

Psychiatric symptoms of schizophrenic or affective type may occur.


Folstein, M. F., Folstein, S. E. and McHugh, P. R. (1975). Mini-Mental State: a practical method for grading the state of patients for the clinician. J Psychiatr Res 12, 189-198. http://www.medicaleducation.co.uk/resources/Miniment.pdf. Purandare, N., Welsh, S., Hutchinson, S. et al. (2005). Preventing dementia. Adv Psychiatr Treat 11, 176-183.

Sperling, R. (2001). The volumes of memory. J Neurol Neurosurg Psychiatry 71, 5-6.

Further reading

Lishman, W. A. (1997). Organic Psychiatry: Psychological Consequences of Cerebral Disorder (3rd edn). Oxford: Blackwell Scientific.

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