Is right hemisphere decline in the perception of emotion a function of aging? 1994

C L McDowell, and D W Harrison, and H A Demaree
Virginia Polytechnic Institute & State University, Blacksburg 24061-0436, USA.

The hypothesis that the right cerebral hemisphere declines more quickly than the left cerebral hemisphere in the normal aging process was tested using accuracy and intensity measures in a facial recognition test and using response time and response bias measures in a tachistoscopic paradigm. Elderly and younger men and women (N = 60) participated in both experiments. Experiment 1 required facial affect identification and intensity ratings of 50 standardized photographs of 5 affective categories: Happy, Neutral, Sad, Angry, and Fearful. The elderly were significantly less accurate in identifying facial affective valence. This effect was found using negative and neutral expressions. Results for happy expressions, however, were consistent with the younger group. In Experiment 2, age differences in hemispheric asymmetry were evaluated using presentation of affective faces in each visual field. Following prolonged experience with the affective stimuli during Experiment 1, the elderly showed heightened cerebral asymmetry for facial affect processing compared to the younger group. Both groups showed a positive affective bias to neutral stimuli presented to the left hemisphere. Elderly and younger subjects scored significantly higher on Vocabulary and Block Design subtests of the WAIS-R, respectively. Overall, the findings suggest that the elderly have more difficulty processing negative affect, while their ability to process positive affect remains intact. The results lend only partial support to the right hemi-aging hypothesis.

UI MeSH Term Description Entries
D007839 Functional Laterality Behavioral manifestations of cerebral dominance in which there is preferential use and superior functioning of either the left or the right side, as in the preferred use of the right hand or right foot. Ambidexterity,Behavioral Laterality,Handedness,Laterality of Motor Control,Mirror Writing,Laterality, Behavioral,Laterality, Functional,Mirror Writings,Motor Control Laterality,Writing, Mirror,Writings, Mirror
D008297 Male Males
D011569 Psychiatric Status Rating Scales Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness. Factor Construct Rating Scales (FCRS),Katz Adjustment Scales,Lorr's Inpatient Multidimensional Psychiatric Rating Scale,Wittenborn Scales,Edinburgh Postnatal Depression Scale,Mini International Neuropsychiatric Interview
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D011930 Reaction Time The time from the onset of a stimulus until a response is observed. Response Latency,Response Speed,Response Time,Latency, Response,Reaction Times,Response Latencies,Response Times,Speed, Response,Speeds, Response
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D004644 Emotions Those affective states which can be experienced and have arousing and motivational properties. Feelings,Regret,Emotion,Feeling,Regrets
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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