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A comparison of frequency of abnormal results in neuropsychological vs. neurodiagnostic procedures
Author(s) -
Snow William G.
Publication year - 1981
Publication title -
journal of clinical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.124
H-Index - 119
eISSN - 1097-4679
pISSN - 0021-9762
DOI - 10.1002/1097-4679(198101)37:1<22::aid-jclp2270370105>3.0.co;2-6
Subject(s) - neuropsychology , psychology , neuropsychological assessment , clinical psychology , psychiatry , cognition
Compared the frequency of abnormal Impairment Index values and abnormal results on neurodiagnostic procedures in Patients ( N = 102) classified as Brain‐damaged, Normal, or Equivocal on the basis of final medical diagnosis. The Impairment Index called a higher percentage of the Brain‐damaged S s abnormal than did any single neurodiagnostic procedure. Although it called a higher percentage of the other two groups abnormal than did the skull X‐ray, the Impairment Index did not differ from computed tomography (CT) or the EEG with respect to abnormality rates in those groups. Thus, in this sample of patients, the Impairment Index was more sensitive to brain damage than any neurodiagnostic measure, yet no more likely to call patients in the other two groups abnormal than were CT or the EEG. Limitations of the study and difficulies in conducting this kind of research are discussed.