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Intact recognition of facial expression, gender, and age in patients with impaired recognition of face identity

From the Department of Neurology (Division of Behavioral Neurology and Cognitive Neuroscience), The University of Iowa College of Medicine, Iowa City, IA.

We conducted a series of experiments to assess the ability to recognize the meaning of facial expressions, gender, and age in four patients with severe impairments of the recognition of facial identity. In three patients the recognition of face identity could be dissociated from that of facial expression, age, and gender. In one, all forms of face recognition were impaired. Thus, a given lesion may preclude one type of recognition but not another. We conclude that (1) the cognitive demands posed by different forms of recognition are met at different processing levels, and (2) different levels depend on different neural substrates.

Address correspondence and reprint requests to Dr. Tranel, Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242.

Supported by NINCDS NS 19632.

Received July 23, 1987. Accepted for publication in final form September 10, 1987.

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