Frontal intermittent delta activity in schizophrenic patients receiving antipsychotic drugs. 1993

Y Koshino, and I Murata, and T Murata, and M Omori, and T Hamada, and M Miyagoshi, and K Isaki
Department of Neuropsychiatry, Fukui Medical School, Japan.

FIRDA was found in 14 EEGs recorded from 338 schizophrenic patients receiving antipsychotic drugs, although they showed no FIRDA in the baseline EEG. The daily dose of antipsychotic drugs when FIRDA was found was larger than when FIRDA disappeared. FIRDA was assumed to be induced by relatively high doses of antipsychotic drugs. Thus, the effect of antipsychotic drugs should be added to the list of differential diagnoses associated with FIRDA. FIRDA did not correlate with the baseline psychopathology of schizophrenic patients. Patients without FIRDA tended to respond poorly to antipsychotic drugs in terms of negative symptoms. Improvement of positive symptoms in FIRDA patients was not as remarkable as in patients without FIRDA.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003700 Delta Rhythm Brain waves seen on EEG characterized by a high amplitude and a frequency of 4 Hz and below. They are considered the "deep sleep waves" observed during sleep in dreamless states, infancy, and in some brain disorders. Delta Rhythms,Rhythm, Delta,Rhythms, Delta
D005260 Female Females
D005625 Frontal Lobe The part of the cerebral hemisphere anterior to the central sulcus, and anterior and superior to the lateral sulcus. Brodmann Area 8,Brodmann's Area 8,Frontal Cortex,Frontal Eye Fields,Lobus Frontalis,Supplementary Eye Field,Area 8, Brodmann,Area 8, Brodmann's,Brodmanns Area 8,Cortex, Frontal,Eye Field, Frontal,Eye Field, Supplementary,Eye Fields, Frontal,Frontal Cortices,Frontal Eye Field,Frontal Lobes,Lobe, Frontal,Supplementary Eye Fields
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
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012559 Schizophrenia A severe emotional disorder of psychotic depth characteristically marked by a retreat from reality with delusion formation, HALLUCINATIONS, emotional disharmony, and regressive behavior. Dementia Praecox,Schizophrenic Disorders,Disorder, Schizophrenic,Disorders, Schizophrenic,Schizophrenias,Schizophrenic Disorder
D012565 Schizophrenic Psychology Study of mental processes and behavior of schizophrenics. Psychology, Schizophrenic

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