Thermoreceptors and thermosensitive afferents

Raf J. Schepers, Matthias Ringkamp

Research output: Contribution to journalArticle

Abstract

Cutaneous thermosensation plays an important role in thermal regulation and detection of potentially harmful thermal stimuli. Multiple classes of primary afferents are responsive to thermal stimuli. Afferent nerve fibers mediating the sensation of non-painful warmth or cold seem adapted to convey thermal information over a particular temperature range. In contrast, nociceptive afferents are often activated by both, painful cold and heat stimuli. The transduction mechanisms engaged by thermal stimuli have only recently been discovered. Transient receptor potential (TRP) ion channels that can be activated by temperatures over specific ranges potentially provide the molecular basis for thermosensation. However, non-TRP mechanisms are also likely to contribute to the transduction of thermal stimuli. This review summarizes findings regarding the transduction proteins and the primary afferents activated by innocuous and noxious cold and heat.

Original languageEnglish (US)
Pages (from-to)205-212
Number of pages8
JournalNeuroscience and Biobehavioral Reviews
Volume33
Issue number3
DOIs
StatePublished - Mar 2009

Fingerprint

Thermoreceptors
Hot Temperature
Transient Receptor Potential Channels
Temperature
Ion Channels
Nerve Fibers

Keywords

  • Innocuous
  • Monkey
  • Nociceptor
  • Noxious
  • Skin
  • Transduction
  • TRP

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Neuropsychology and Physiological Psychology

Cite this

Thermoreceptors and thermosensitive afferents. / Schepers, Raf J.; Ringkamp, Matthias.

In: Neuroscience and Biobehavioral Reviews, Vol. 33, No. 3, 03.2009, p. 205-212.

Research output: Contribution to journalArticle

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