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Population coding in somatosensory cortex
Current Opinion in Neurobiology, 2002Computational analyses have begun to elucidate which components of somatosensory cortical population activity may encode basic stimulus features. Recent results from rat barrel cortex suggest that the essence of this code is not synergistic spike patterns, but rather the precise timing of single neuron's first post-stimulus spikes.
Petersen RS +2 more
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Histogenesis of ferret somatosensory cortex
The Journal of Comparative Neurology, 1997The ferret has emerged as an important animal model for the study of neocortical development. Although detailed studies of the birthdates of neurons populating the ferret visual cortex are available, the birthdates of neurons that reside in somatosensory cortex have not been determined. The current study used bromodeoxyuridine to establish when neurons
Sharon L. Juliano +2 more
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Spurious dynamics in somatosensory cortex
Behavioural Brain Research, 2002Cortical networks are dynamical systems whose task is to process information. However, in addition to 'intended' dynamical behaviors, the sheer complexity of a cortical network's structure-regardless of its precise details-should generate additional 'unintended' dynamical behaviors.
Oleg V. Favorov +3 more
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Dynamic representations of the somatosensory cortex
Neuroscience & Biobehavioral Reviews, 2010Neural representation of somatosensory events undergoes major transformation in the primary somatosensory cortex (SI) from its original, more or less isomorphic, form found at the level of peripheral receptors. A large body of SI optical imaging, neural recording and psychophysical studies suggests that SI representation of stimuli encountered in ...
Oleg V. Favorov +2 more
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Habituation in the somatosensory cortex
Neurophysiology, 1980Responses of neurons without spontaneous activity ("silent") to prolonged stimulation of the mesenteric nerves were studied in cats anesthetized with chloralose (65–70 mg/kg) and immobilized with flaxedil. The results showed that neurons of the association and primary projection areas are characterized by habituation to prolonged stimulation of ...
M. S. Sinyaya, S. S. Musyashchikova
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The somatosensory cortex of the rodent [PDF]
Trends in Neurosciences, 1983 Abstract The anatomical and functional organization of rodent somatosensory cortex is reviewed in light of recent evidence which suggests that there are areal differences in functional organization and afferent and efferent connections within somatosensory cortex.
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Postictal inhibition of the somatosensory cortex
Neurological Sciences, 2010Transient suppression of the motor cortex and of the speech areas cause well-described postictal phenomena following seizures involving the respective cortical areas. Pain is a rare symptom in epileptic seizures. We present a patient with painful tonic seizures in the left leg.
Jørgen Alving +6 more
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Map Plasticity in Somatosensory Cortex
Science, 2005Sensory maps in neocortex are adaptively altered to reflect recent experience and learning. In somatosensory cortex, distinct patterns of sensory use or disuse elicit multiple, functionally distinct forms of map plasticity. Diverse approaches—genetics, synaptic and in vivo physiology, optical imaging, and ultrastructural analysis—suggest a distributed ...
Daniel E. Feldman, Michael Brecht
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