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Clinical Trial
. 1997 Mar;62(3):261-4.
doi: 10.1136/jnnp.62.3.261.

Impairment of facial recognition in patients with right cerebral infarcts quantified by computer aided "morphing"

A Rösler  1 , S Lanquillon, O Dippel, H J Braune
Affiliations
Clinical Trial

Impairment of facial recognition in patients with right cerebral infarcts quantified by computer aided "morphing"

A Rösler et al. J Neurol Neurosurg Psychiatry. 1997 Mar.

Abstract

Objective: To investigate where facial recognition is located anatomically and to establish whether there is a graded transition from unimpaired recognition of faces to complete prosopagnosia after infarctions in the territory of the middle cerebral artery.

Methods: A computerised morphing program was developed which shows 30 frames gradually changing from portrait photographs of unfamiliar persons to those of well known persons. With a standardised protocol, 31 patients with right and left sided infarctions in the territory of the middle cerebral artery and an age and sex matched control group were compared by non-parametric tests.

Results and conclusion: Facial recognition in patients with right sided lesions was significantly impaired compared with controls and with patients with left sided lesions. A graded impairment in facial recognition in patients with right sided ischaemic infarcts in the territory of the middle cerebral artery seems to exist.

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