The effect of local anesthesia on tactile and vibratory thresholds.

Cummings, Samuel B.

doi:10.1037/h0059129

Cited by 10 publications

(3 citation statements)

References 16 publications

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“…Investigations have been made of the absolute sensitivity to mechanical vibration, both as a function of frequency (20,9,11,12,15) and as a function of body area (8,9,11). In addition, studies of the Weber fraction for intensity (15,18) and frequency (4,15,19) have been made, along with studies of adaptation (1,2,14,23) and effects of temperature and anesthesia on sensitivity (3,24,25). The majority of these and many other studies of vibratory sensitivity are discussed in reviews of the literature by Geldard (7,10).…”

mentioning

confidence: 99%

Variables affecting sensitivity of the human skin to mechanical vibration.

Sherrick¹

1953

Journal of Experimental Psychology

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mentioning

confidence: 99%

Variables affecting sensitivity of the human skin to mechanical vibration.

Sherrick¹

1953

Journal of Experimental Psychology

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“…Under local anesthesia, warm, cold, touch, and pain do not disappear and reappear all at the same time, but straggle out and straggle in again. To anesthetize a section of skin, the most widely used method is electroendosmosis [9]. A pad saturated with novocain or some similar anesthetic is placed on the skin.…”

Section: Disappearance and Recovery Under Anesthesiamentioning

confidence: 99%

“…Especially in studies of adaptation, false results may arise from the spread of the stimulus beyond the desired area. Spread can be minimized by surrounding the stimulator with a metal ring maintained at skin temperature or by anesthetizing the surrounding region by electroendosmosis [9]. Constriction or dilating of the blood vessels usually accompanies thermal stimulation, but these vascular changes must be considered part of the normal stimulus situation.…”

Section: Forwarm and Coldmentioning

confidence: 99%

Studying the skin senses.

Jenkins¹

Methods of Psychology.

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Biologically the skin senses are more important to the human being than is either sight or hearing. The blind man and the deaf man are merely handicapped, but a man totally without skin sensitivity would have a poor chance to survive at all. Pain guards the body from external injury. The temperature senses act as external thermostats in the vital task of regulating the temperature of the blood. Even touch, although less essential, provides a critical aid in darkness. Yet, compared with sight or hearing, the skin senses have attracted relatively little attention, and they remain a rich field for further investigation. There are three persistent problems of major interest, and most research techniques have been directed toward their solution. These problems concern the number of skin senses, the nature of the receptors and receptor processes, and the measurement of the actual manner of their stimulation.In connection with the number of skin senses, touch, pain, warm, and cold are commonly assumed to be the four basic ones, but this view has not been universally accepted. Many years ago Head [41] proposed two separate cutaneous systems, the epicritic and the protopathic, each having a separate set of four senses. Katz [30] suggested a separate vibration sense, independent of touch. At the other extreme, Nafe [35] would like to reduce warmth, cold, and some kinds of pain to sensations from dilating and constricting blood vessels, thus eliminating these as separate skin senses. The problem is further complicated by the presence of deep pain and deep pressure sensitivities, which are difficult to distinguish from the strictly cutaneous reactions.In regard to the nature of the receptors and the way in which they work, mapping the skin with small stimulators shows that there are points of high sensitivity-the warm, cold, pain, and touch spots-with

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The effect of topical anesthetics on skin sensation and soleus motoneuron reflex excitability

Agostinucci

1994

Archives of Physical Medicine and Rehabilitation

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The effect of local anesthesia on tactile and vibratory thresholds.

Cited by 10 publications

References 16 publications

Variables affecting sensitivity of the human skin to mechanical vibration.

Variables affecting sensitivity of the human skin to mechanical vibration.

Studying the skin senses.

The effect of topical anesthetics on skin sensation and soleus motoneuron reflex excitability

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