Get Affective Touch and the Neurophysiology of CT Afferents PDF

By Håkan Olausson, Johan Wessberg, India Morrison, Francis McGlone

ISBN-10: 149396416X

ISBN-13: 9781493964161

ISBN-10: 1493964186

ISBN-13: 9781493964185

CT afferents are receptors in mammalian bushy pores and skin that fireside motion potentials whilst the outside is touched flippantly which makes them quite vital in affective touch.  regularly neuroscientific study has desirous about extra discriminative and haptic houses of contact that are mediated via large myelinated afferents and the coding homes and practical association of unmyelinated CT afferents were studied a lot less.  The proposed quantity will draw jointly current wisdom during this nascent box. Separate sections will deal with (1) how we will be able to degree affective contact, (2) CT constitution and body structure, (3) CT processing, (4) the contribution of CTs to sexual habit, (5) medical relevance, (6) advertisement relevance, and (7) destiny examine considerations.​

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Extra resources for Affective Touch and the Neurophysiology of CT Afferents

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Occasionally, an even more deviant response of CT afferents has been seen, that is, a late resumption of firing while a steady indentation is maintained. 11b shows a representative example of delayed acceleration. It may be appreciated that the activity decreased to nearly null for a few seconds after the initial response to skin deformation. Then firing reassumed and continued for about a minute. The impulse rate was first highly irregular followed by a period of more regular discharge. Impulse rate increased to a peak of about 50 impulses s−1 and then fell to zero within 40 s after the peak.

These cells are largely IB4-negative and do not express CGRP, SP, or TRPV1. 6 m/s, consistent with C-fibers. In addition, these neurons are more responsive to slowly moving stimuli and exhibit clear adaptation to ongoing stimulation. RF size of VGLUT3+ peripheral terminals is identical to MrgprB4+ RF’s at approximately 1 mm2 with 1–3 sensitive spots. In contrast to findings from Liu et al.

Occasional observations seem to support this interpretation. In a small minority of experiments, we have encountered a dramatically deviant activity, that is, a uniquely strong response to a light touch followed by an intense and long-lasting after-discharge. This kind of response has been rarely seen and only in the very beginning of an experimental session. Unfortunately it has not been possible to document this impressive response. Adaptation Another clear difference between the slow and fast tactile afferents concerns the response to sustained skin deformations.

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Affective Touch and the Neurophysiology of CT Afferents by Håkan Olausson, Johan Wessberg, India Morrison, Francis McGlone

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