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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 16 (1979), S. 0 
    ISSN: 1469-8986
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Notizen: A new method for studying inhibition of an electroencephalographic component of the OR to visual stimuli is described. The EEG response is suppression of the occipital alpha following visual stimulation. By a controlled feedback contingency, two stimuli are made to occur in sequence with a controlled time delay after the onset of alpha in the EEG. Inhibition is defined as a lack of EEG response to the first stimulus followed by a response to the second, delayed stimulus. Because the stimuli are feedback with regard to the occurrence of alpha, the dynamics of the alpha - alpha suppression system are different when a response is made to the first stimulus (elicitation of OR to first stimulus) compared to not responding to the first stimulus but responding to the second delayed stimulus (inhibition of OR to the first stimulus).
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 18 (1981), S. 0 
    ISSN: 1469-8986
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Psychophysiology 8 (1971), S. 0 
    ISSN: 1469-8986
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Notizen: The parietal-occipital EEG was recorded while subjects performed various fixation, accommodation, and tracking maneuvers with stationary and moving targets. For some experiments the target was continuously in view and independent of the EEG; in others, a feedback path connected the occurrence of parietal-occipital alpha with the visibility of the target. The results show that alpha attenuation or blocking is not due to “visual attention'” but to processes of fixation, lens accommodation, and pursuit tracking. Saccadic movements were not reliably linked to alpha or alpha “blocking.'” The utility of feedback methods for testing the hypotheses that visual control processes are linked to the parietal-occipital alpha rhythms was demonstrated.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 746-746 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Recently, I have completed a study of the electro-encephalographic (EEG) alpha rhythm recorded while nonsense syllables were being read. The apparatus was so arranged that whenever alpha occurred, a nonsense syllable was projected on to a screen for 0.2 sec. If alpha was not present the syllable ...
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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