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Heritability of bipolar EEG spectra in a large sib-pair population. 2007

Yongqiang Tang, and David B Chorlian, and Madhavi Rangaswamy, and Sean O'Connor, and Robert Taylor, and John Rohrbaugh, and Bernice Porjesz, and Henri Begleiter
Neurodynamics Laboratory, SUNY Downstate Medical Center, Brooklyn, NY, USA.

The additive genetic heritability of both monopolar and bipolar EEG spectral power in a sample of 305 non-twin sibships comprising 690 individuals (age range 7-65) was estimated in order to investigate their regional variation. The heritabilities of the bipolar EEG spectral power ranged from 0.10 to 0.63 in 38 electrode-pairs, and those of monopolar power ranged from 0.23 to 0.68 in 19 electrodes in six frequency bands from theta to high beta. The bipolar data shows significantly greater topographic variation compared to that of the monopolar data. The mean of bivariate genetic correlations were consistently lower for the bipolar data and the coefficients of variation consistently higher when compared to those of the monopolar data for each of the frequency bands. The results from the bipolar derivations are in greater accord with genetic findings in brain anatomy and show the possibility of multiple genetic sources for the phenotypic variability of EEG activity.

UI MeSH Term Description Entries
D008957 Models, Genetic Theoretical representations that simulate the behavior or activity of genetic processes or phenomena. They include the use of mathematical equations, computers, and other electronic equipment. Genetic Models,Genetic Model,Model, Genetic
D001931 Brain Mapping Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures. Brain Electrical Activity Mapping,Functional Cerebral Localization,Topographic Brain Mapping,Brain Mapping, Topographic,Functional Cerebral Localizations,Mapping, Brain,Mapping, Topographic Brain
D003866 Depressive Disorder An affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual activities. The mood disturbance is prominent and relatively persistent. Depression, Endogenous,Depression, Neurotic,Depression, Unipolar,Depressive Syndrome,Melancholia,Neurosis, Depressive,Unipolar Depression,Depressions, Endogenous,Depressions, Neurotic,Depressions, Unipolar,Depressive Disorders,Depressive Neuroses,Depressive Neurosis,Depressive Syndromes,Disorder, Depressive,Disorders, Depressive,Endogenous Depression,Endogenous Depressions,Melancholias,Neuroses, Depressive,Neurotic Depression,Neurotic Depressions,Syndrome, Depressive,Syndromes, Depressive,Unipolar Depressions
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000513 Alpha Rhythm Brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the eyes closed. Alpha Rhythms,Rhythm, Alpha,Rhythms, Alpha
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses
D001611 Beta Rhythm Brain waves with frequency between 15-30 Hz seen on EEG during wakefulness and mental activity. Beta Rhythms,Rhythm, Beta,Rhythms, Beta
D001714 Bipolar Disorder A major affective disorder marked by severe mood swings (manic or major depressive episodes) and a tendency to remission and recurrence. Affective Psychosis, Bipolar,Bipolar Disorder Type 1,Bipolar Disorder Type 2,Bipolar Mood Disorder,Depression, Bipolar,Manic Depression,Manic Disorder,Manic-Depressive Psychosis,Psychosis, Manic-Depressive,Type 1 Bipolar Disorder,Type 2 Bipolar Disorder,Psychoses, Manic-Depressive,Bipolar Affective Psychosis,Bipolar Depression,Bipolar Disorders,Bipolar Mood Disorders,Depression, Manic,Depressions, Manic,Disorder, Bipolar,Disorder, Bipolar Mood,Disorder, Manic,Manic Depressive Psychosis,Manic Disorders,Mood Disorder, Bipolar,Psychoses, Bipolar Affective,Psychoses, Manic Depressive,Psychosis, Bipolar Affective,Psychosis, Manic Depressive
D035781 Siblings Persons or animals having at least one parent in common. (American College Dictionary, 3d ed) Brothers,Sisters,Brother,Sibling,Sister

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