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Age-Related Impairments in Comprehending Affective Prosody with Comparison to Brain-Damaged Subjects

Department of Neurology, Communication Sciences and Disorders, University of Oklahoma Health Sciences Center, VA Medical Center, Oklahoma City, Oklahoma

Julie A. Testa, PhD

Department of Psychiatry and Behavioral Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma

Elliott D. Ross, MD

Department of Neurology, Communication Sciences and Disorders, Department of Psychiatry and Behavioral Sciences, University of Oklahoma Health Sciences Center, VA Medical Center, Oklahoma City, Oklahoma

This study evaluated the ability to produce and comprehend affective prosody across age groups and compared patterns of impaired performance to deficits observed after focal brain damage. Sixty-nine healthy subjects, ages 22 to 83 years, were given the Aprosodia Battery, a test that distinguishes between affective prosodic processing deficits following rightversus left-brain damage through the use of stimuli with progressively reduced verbal articulatory content. Production of affective prosody, measured by variation in fundamental frequency, was unimpaired in older subjects, whereas comprehension of affective prosody was impaired, particularly for tasks with reduced verbal articulatory content. The pattern of performance across affective comprehension tasks in the older subjects resembled the pattern found after right-brain damage. The results demonstrate age-related loss in comprehension of affective prosody that is most likely due to a processing deficit involving the right hemisphere. (J Geriatr Psychiatry Neurol 2003; 16:44-52)

Key Words: affective prosody • aging • auditory comprehension • stroke

Journal of Geriatric Psychiatry and Neurology, Vol. 16, No. 1, 44-52 (2003)
DOI: 10.1177/0891988702250565


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