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  • 1
    Electronic Resource
    Electronic Resource
    A technique for recording local blood flow and neuronal activity with a single microelectrode (1977)
    Springer
    Pflügers Archiv 369 (1977), S. 183-186 
    Details
    ISSN: 1432-2013
    Keywords: local blood flow ; hydrogen clearance method ; unit activity ; cortex ; micro-electrodes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A technique is presented for recording both local blood flow, by means of hydrogen clearance method, and neuronal activity of the cat's cortex using a single microelectrode. The requirements of electrodes for recording cerebral blood flow are different from those for recording extracellular spikes. Only electrodes within a small range of impedance (measured at 10 Hz) are suitable to record both. A bridge method is used for the recordings. The bridge signal is split in order to amplify cell activities and H2 responses separately. Three examples demonstrate the method and the importance of appropriately selected electrodes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00591575
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Calculation of event-related coherence—A new method to study short-lasting coupling between brain areas (1994)
    Springer
    Brain topography 7 (1994), S. 121-127 
    Details
    ISSN: 1573-6792
    Keywords: Event-related coherence ; ERCoh ; Event-related desynchronization ; ERD ; Finger movement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This article deals with the estimation of event-related coherence (ERCoh) and its application to the planning and execution of self-paced index finger movement. ERCoh estimation complements the event-related desynchronization (ERD) measurements of rhythms within the alpha band. ERCoh yields information of the functional relationships between different brain areas as a function of time. The time resolution is 125 msec. Before movement onset a contralateral ERCoh increase was found between premotor and motor areas. This coherence increase was accompanied by an ERCoh decrease in parallel to the ERD over the contralateral centro-temporal areas. During movement, the ERD became bilaterally symmetrical. Simultaneously, interhemispheric coherence between contralateral and ipsilateral sensori-motor areas increased.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186770
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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