Search Results - "DYKES, R. W"

Mechanisms controlling neuronal plasticity in somatosensory cortex by Dykes, R W

“…gamma-Aminobutyric acid containing neurons in the somatosensory cortex are the major controlling element determining receptive field size and location. This…”
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Blockade of Cholinergic Receptors in Rat Barrel Cortex Prevents Long-Term Changes in the Evoked Potential During Sensory Preconditioning by Maalouf, M, Miasnikov, A. A, Dykes, R. W

“…M. Maalouf , A. A. Miasnikov , and R. W. Dykes Département de Physiologie, Faculté de Médecine, Université de Montréal, Montreal, Quebec H3C 3J7, Canada…”
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Long-term cholinergic enhancement of evoked potentials in rat hindlimb somatosensory cortex displays characteristics of long-term potentiation by VERDIER, Dorly, DYKES, Robert W

“…Pairing a cutaneous electrical stimulus of the hind-paw with stimulation of the basal forebrain produces long-term cholinergic enhancement of the…”
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Electrophysiological studies of acetylcholine and the role of the basal forebrain in the somatosensory cortex of the cat. II. Cortical neurons excited by somatic stimuli by Tremblay, N, Warren, R A, Dykes, R W

“…1. Of the sample of 322 neurons located in somatosensory cortex and tested for their responsiveness to somatic stimulation, 91 (28%) responded to stimuli…”
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Functional role of GABA in cat primary somatosensory cortex: shaping receptive fields of cortical neurons by Dykes, R W, Landry, P, Metherate, R, Hicks, T P

“…Extracellular recordings of 209 neurons were obtained with carbon fiber-containing multibarrel micropipettes. The cells were isolated in the primary…”
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Changes in cortical acetylcholine release in the rat during day and night: differences between motor and sensory areas by Jiménez-Capdeville, M.E., Dykes, R.W.

“…By sampling simultaneously from two microdialysis probes placed in the left and right hindlimb somatosensory cortex, or in the somatosensory and visual or in…”
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The effects of acetylcholine on response properties of cat somatosensory cortical neurons by Metherate, R, Tremblay, N, Dykes, R W

“…1. Two-hundred thirty-three single neurons were isolated and studied in somatosensory cortex of cats anesthetized with pentobarbital sodium or urethane…”
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Effects of d-AP5 and NMDA microiontophoresis on associative learning in the barrel cortex of awake rats by Maalouf, M, Dykes, R.W, Miasnikov, A.A

“…Experiments involving single-unit recordings and microiontophoresis were carried out in the barrel cortex of awake, adult rats subjected to whisker pairing, an…”
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Transient and prolonged effects of acetylcholine on responsiveness of cat somatosensory cortical neurons by Metherate, R, Tremblay, N, Dykes, R W

“…1. Two-hundred and seven neurons were examined for changes in their responsiveness during the iontophoretic administration of acetylcholine (ACh) in…”
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Long-term enhancement of evoked potentials in cat somatosensory cortex produced by co-activation of the basal forebrain and cutaneous receptors by RASMUSSON, D. D, DYKES, R. W

“…Averaged evoked potentials from primary somatosensory cortex (SEPs) were recorded before and after pairing the peripheral stimuli with electrical activation of…”
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An iontophoretic study of single somatosensory neurons in rat granular cortex serving the limbs: a laminar analysis of glutamate and acetylcholine effects on receptive-field properties by Lamour, Y, Dutar, P, Jobert, A, Dykes, R W

“…1. Glutamate, acetylcholine (ACh), and bicuculline were delivered by iontophoretic pipettes to the 545 neurons described in the preceding paper. Their response…”
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Quantitative study of glutamic acid decarboxylase-immunoreactive neurons and cytochrome oxidase activity in normal and partially deafferented rat hindlimb somatosensory cortex by Warren, R, Tremblay, N, Dykes, R W

“…Somatosensory cortex reorganizes following restricted deafferentation so that deprived neurons acquire new receptive fields. Electrophysiological data suggest…”
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Electrophysiological studies of acetylcholine and the role of the basal forebrain in the somatosensory cortex of the cat. I. Cortical neurons excited by glutamate by Tremblay, N, Warren, R A, Dykes, R W

“…1. Microelectrodes attached to iontophoretic pipettes were used to isolate 410 single neurons in the primary somatosensory cortex of halothane-anesthetized…”
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Evidence for homeostatic adjustments of rat somatosensory cortical neurons to changes in extracellular acetylcholine concentrations produced by iontophoretic administration of acetylcholine and by systemic diisopropylfluorophosphate treatment by Testylier, G., Maalouf, M., Butt, A.E., Miasnikov, A.A., Dykes, R.W.

“…We describe the responses of single units in the awake (24 cells) or urethane-anesthetized (37 cells) rat somatosensory cortex during repeated iontophoretic…”
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An electrophysiological study of single somatosensory neurons in rat granular cortex serving the limbs: a laminar analysis by Dykes, R W, Lamour, Y

“…1. Recordings were made from 545 neurons in somatosensory granular cortex of anesthetized Sprague-Dawley rats. Of this sample, 32% were active spontaneously…”
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Acetylcholine permits long-term enhancement of neuronal responsiveness in cat primary somatosensory cortex by Metherate, R, Tremblay, N, Dykes, R W

“…Acetylcholine (ACh) was administered iontophoretically to single neurons in cat somatosensory cortex. Using extracellular recording techniques, neuronal…”
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Bilateral contributions to motor recovery in the monkey following lesions of the deep cerebellar nuclei by Amrani, Khalil, Dykes, Robert W., Lamarre, Yves

“…A unilateral lesion of the deep cerebellar nuclei in monkeys produced a transient inability to perform a reaching task with the limb ipsilateral to the lesion…”
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The design and application of three speaker-based stimulating devices for cutaneous stimulation in anesthetized and awake animals by Miasnikov, Alexandre A, Dykes, Robert W

“…Those wishing to study neuronal plasticity in sensory systems are confronted by the need to deliver equivalent stimuli to the organism at time intervals…”
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The somatotopic organization of the ventroposterior thalamus of the squirrel monkey, Saimiri sciureus by Kaas, J H, Nelson, R J, Sur, M, Dykes, R W, Merzenich, M M

“…Multiunit microelectrode mapping techniques were used to investigate the organization of the somatosensory thalamus in squirrel monkeys. Receptive fields and…”
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Parallel processing of somatosensory information: a theory by Dykes, R W

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