منابع مشابه
High-resolution neurometabolic coupling in the lateral geniculate nucleus.
The relationships between neural and metabolic processes in activated brain regions are central to the interpretation of noninvasive imaging. To examine this relationship, we have used a specialized sensor to measure simultaneously tissue oxygen changes and neural activity in colocalized regions of the cat's lateral geniculate nucleus (LGN). Previous work with this sensor has shown that a decre...
متن کاملNeurometabolic coupling in the lateral geniculate nucleus changes with extended age.
Attempts have been made in various studies to identify and trace changes in function in the aging visual system. Some results are conflicting and we report here a unique approach in an attempt to resolve selected issues. We have estimated neurometabolic coupling in the central visual pathway in young and old cats. Our technique provides high resolution simultaneous measurements of neuronal acti...
متن کاملNeurometabolic coupling in the lateral geniculate nucleus changes 3 with extended age 4
1 2 Neurometabolic coupling in the lateral geniculate nucleus changes 3 with extended age 4 Baowang Li and Ralph D. Freeman* 5 Group in Vision Science, School of Optometry, Helen Wills Neurosciences Institute, 6 University of California, Berkeley, CA 94720-2020 7 *Correspondence to: 8 Ralph D. Freeman 9 360 Minor Hall, University of California at Berkeley 10 Berkeley, CA 94720-2020 11 freeman@n...
متن کاملThe lateral geniculate nucleus
The lateral geniculate nucleus (LGN) is a huge embarrassment to visual neuroscientists. Virtually all the visual information that leaves the retina to be analysed in the visual cortex is relayed through synapses in this nucleus. It is a dogma of neurophysiology that the cost imposed by putting a synapse in any pathway must be repaid by some benefit in terms of processing. Unfortunately it is no...
متن کاملThe multifunctional lateral geniculate nucleus.
Providing the critical link between the retina and visual cortex, the well-studied lateral geniculate nucleus (LGN) has stood out as a structure in search of a function exceeding the mundane 'relay'. For many mammals, it is structurally impressive: Exquisite lamination, sophisticated microcircuits, and blending of multiple inputs suggest some fundamental transform. This impression is bolstered ...
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ژورنال
عنوان ژورنال: Journal of Neuroscience
سال: 2007
ISSN: 0270-6474,1529-2401
DOI: 10.1523/jneurosci.1505-07.2007