Adaptation of trigeminal ganglion cells to periodic whisker deflections.

Adaptation of trigeminal ganglion cells to periodic whisker deflections. Research Abstract Details 

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Adaptation of trigeminal ganglion cells to periodic whisker deflections. Abstract Text:

George Fraser,Jed A Hartings,Daniel J Simons,

Trigeminal ganglion neurons in adult rats adapt to periodic whisker deflections in the range of 1-40 Hz, manifested as a reduction in spike counts to progressively later stimuli in a train of pulsatile or sinusoidal deflections. For high velocity, pulsatile deflections, adaptation is time- and frequency-dependent; as in the case of thalamic and cortical neurons, adaptation is greater at higher stimulus frequencies. With slower velocity, sinusoidal movements, trigeminal ganglion cells differ from central neurons, however, by exhibiting strong adaptation even at low frequencies. For both types of stimuli, effects in trigeminal ganglion neurons were more pronounced in rats maintained during the recording session under neuromuscular blockade than in non-paralysed animals. Results are consistent with previous findings in other systems that frequency-dependent adaptation of cutaneous primary afferent neurons is affected by mechanical properties of the skin. Such effects are likely to vary depending on the nature of the whisker stimuli and physiological states that affect skin viscoelasticity.

Adaptation of trigeminal ganglion cells to periodic whisker deflections. Publishing Authors By Initials

G Fraser,JA Hartings,DJ Simons,

For similar animal structures: vibrissae research abstracts see: animal structures: vibrissae research

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Adaptation of trigeminal ganglion cells to periodic whisker deflections. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Somatosensory & motor research

VOLUME: 23

Page Numbers: 111-8

Journal Abbreviation:

ISSN: 0899-0220

DAY: 3

MONTH: 12

YEAR: 2007

Adaptation of trigeminal ganglion cells to periodic whisker deflections. Information

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LANGUAGE: eng

NlmUniqueID: 8904127

Adaptation of trigeminal ganglion cells to periodic whisker deflections. Keywords Mesh Terms:

KEYWORDS: Vibrissae

MESH TERMS: innervation

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Grant and Affiliation Information for Adaptation of trigeminal ganglion cells to periodic whisker deflections.

AFFILIATION: Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA.

Country: England

AGENCY: United States NINDS

GRANT: NS19950

ACRONYM: NS

MEDLINETA: Somatosens Mot Res

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