Download e-book for iPad: Affective Touch and the Neurophysiology of CT Afferents by Håkan Olausson, Johan Wessberg, India Morrison, Francis

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 epidermis that fireside motion potentials while the surface is touched flippantly which makes them fairly very important in affective touch.  routinely neuroscientific study has thinking about extra discriminative and haptic houses of contact that are mediated through large myelinated afferents and the coding homes and sensible association of unmyelinated CT afferents were studied a lot less.  The proposed quantity will draw jointly latest wisdom during this nascent box. Separate sections will handle (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) scientific 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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Aβ afferents fall in two distinct groups in this respect. Fast adapting units respond to dynamic events alone, but not to steadystate deformation, that is, they lack all static sensitivity. This is true with Pacini, Meissner, hair follicle, and field units. Slowly adapting Aβ afferents (Merkel and Ruffini), on the other hand, provide a continuous discharge during sustained skin deformation for minutes or more, albeit at a decreasing impulse rate over time. CT afferents, on the other hand, differ from both types, because they have intermediate adaptation properties in the sense that they respond initially with a burst of high impulse rate which successively decreases to zero after a few seconds of sustained indentation as illustrated in Figs.

In studies of cat CLTMRs, it has been pointed out that restoration may take several (4–30) minutes (Iggo 1960; Iggo and Kornhuber 1977). Mechanisms accounting for the depressant effect of preceding mechanical stimulation have not been explored in man. However, an analysis of cat CLTMRs suggests that important factors are transducer-bound events rather than events in conducting elements of the terminal arborization (Iggo and Kornhuber 1977). The slow recovery process implies that CT afferents are substantially more responsive to an initial touch stimulus than to succeeding stimuli.

Nat Rev Neurosci 3:655–666 Craig AD (2008) Interoception and emotion. In: Lewis M, Haviland-Jones JM, Barrett LF (eds) Handbook of emotions, 3rd edn. Guilford Publications, New York, pp 272–288 Douglas WW, Ritchie JM (1957) Non-medullated fibres in the saphenous nerve which signal touch. J Physiol 139:385–399 Douglas WW, Ritchie JM (1962) Mammalian nonmyelinated nerve fibers. Physiol Rev 42:297–334 Edin BB (2001) Cutaneous afferents provide information about knee joint movements in humans. J Physiol 531:289–297 Erlanger J, Gasser HS (1924) The compound nature of the action current of nerve as disclosed by the cathode ray ocillograph.

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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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