Biophysics and Psychophysics of Feeling

Kenshalo, Dan R.

doi:10.1016/b978-0-12-161922-0.50009-3

Cited by 19 publications

(15 citation statements)

References 186 publications

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“…These fields continue to assert the general superiority of active as opposed to passive touch (e.g., Goldstein, 1980;Gordon, 1978 ;Kenshalo, 1978;Stevens & Green, 1978). Yet there is clearly no difference in the perception of roughness by active and passive touch (with object movement); nor, apparently, is there any difference in the percep-,tion of braille characters under similar conditions of tactual examination (Grunwald, 1978;Day & Dickinson, Note 1), or in yet other situations in which certain form-related tasks are involved (e.g., Schwartz, Perey, & Azulay, 1975).…”

Section: Discussionmentioning

confidence: 99%

The perception of surface roughness by active and passive touch

Lederman

1981

Bull. Psychon. Soc.

160

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Section: Discussionmentioning

confidence: 99%

The perception of surface roughness by active and passive touch

Lederman

1981

Bull. Psychon. Soc.

160

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“…Clark & Horch, 1986). We also did not use somesthesis (or feeling), because somesthesis has a somewhat vague meaning including cutaneous, kinesthetic, and internal sensations (Jenkin, 1951;Kenshalo, 1978).…”

Section: Notesmentioning

confidence: 99%

Apparent body tilt and postural aftereffect

Higashiyama

Koga

1998

Perception & Psychophysics

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Apparent orientation of the body tilted laterally in the frontal plane was studied with the methods of absolute judgments in four experiments. In Experiment 1, 17 subjects, who maintained the normal adaptation of body to gravity,estimated their body tilts under the condition of seeing the gravitational vertical and under the condition of eliminating it. The results showed that (1) there was not a significant difference between the two conditions and (2) the small tilts of less than 45°were exactly estimated, whereas the large tilts of 45°-108°were overestimated. In Experiment 2, 10subjects estimated their body tilts under three velocities of a rotating chair on which each subject was placed. Although both body tilt and chair velocity were found to influence tilt estimation, the effect of body tilt was overwhelmingly greater than that of chair velocity. In Experiment 3, 11 subjects adapted their bodies to a 72°left tilt for 10 min and then estimated various body tilts around the adapting tilt. The estimations obtained under the 72°adaptation were lower than those obtained under the 0°adaptation, and this reduction was greater for the test tilt that was farther away from the adapting tilt. In Experiment 4, 11 subjects adjusted their own body tilts to designated angles. The results confirmed the outcomes of absolute estimation in Experiments 1-3. From these findings and past literature, the judgments of body tilt were considered to be subserved by a single sensory process that was based on the cutaneous and muscular proprioceptors, rather than the vestibular and joint proprioceptors. 331We investigated apparent orientation of the body by tilting it laterally in the frontal plane.' The first concern was to establish psychophysical scale for body tilt under normal adaptation of the body to gravity. The second concern was to explore the processes and proprioceptors that make the perception ofbody tilt possible. For the latter concern, we made use of postural aftereffects or postural persistence: the sense of position of a limb, the head, or the eyes that may be temporarily affected when an asymmetrical posture is maintained for some time (F. 1. Clark & Horch, 1986;Howard, 1982). In this study, after being placed at a certain fixed tilt for some time, the subjects judged their various body tilts around the fixed tilt. On the basis of extent and magnitude of postural aftereffects, we assessed how many processes (single or double) exert in the perception of body tilt. Moreover, we considered how the processes are related to the nonvisual proprioceptors, such as the cutaneous, vestibular, joint, and muscular proprioceptors.?One conventional method of measuring apparent body tilt is to have the subject indicate his or her apparent bodyThe authors are grateful to Y.Ohta, who helped collect the data of Experiments 2 and 3, and to K. Shimono, who critically read the earlier manuscript. Correspondence should be addressed to K. Koga, Research Institute of Environmental Medicine, Nagoya University, Furo-cho Nagoya 464-0 I, Japan...

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“…W e hypothesized also for tickle behavior there would be three groups of respondents who differed from each other in organizing the processes of excitation and inhibition between the two halves of the body. W e consider also interesting the study of tickle with reference to different areas of the body, since the various somatic areas have different functional meanings: for instance, the thresholds for the sensitivity of the lips and fingers are different, according to their functional meaning, from those of the sole of the foot (Kenshalo, 1978). Then some data on cerebral dominance indicate hemispheric specialization is related to specific behavioral attitudes: the right half is more implicated when the subject pays more attention to the environment, the left when the subject pays more attention to himself.…”

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“…This typical feeling does not appear immediately after the onset of stimulation but only after a latency in which the simple tactile sensation is present. This phase is generally followed by a variable period of typical feeling of tickle (phase or duration, i.e., "tickle perception") that, after a period of stimulation, is often followed again by a simple tactile sensation, in spite of continuing stimulation.Usually for other tactile stimulations different from tickle, a repeated or extended tactile stimulation induces adaptation defined as "a decreasing of tactile sensation intensity in presence of a constant stimulus" (Kenshalo, 1978). But in a tickle pattern, after a period of stimulation, the adaptation does not occur and tactile sensation is followed by a change in the quality of perception.…”

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confidence: 99%

“…Usually for other tactile stimulations different from tickle, a repeated or extended tactile stimulation induces adaptation defined as "a decreasing of tactile sensation intensity in presence of a constant stimulus" (Kenshalo, 1978). But in a tickle pattern, after a period of stimulation, the adaptation does not occur and tactile sensation is followed by a change in the quality of perception.…”

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confidence: 99%

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Tickle Perception as Micro-Experience of Pleasure: Its Phenomenology on Different Areas of the Body and Relation to Cerebral Dominance

Ruggieri

Milizia

1983

Percept Mot Skills

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We examined the tickle sensitivity of 46 female psychology students with reference to different areas of the body and cerebral dominance. Analysis indicated a significant difference between two halves of the body for latency and not for duration. The dimensional approach, as we have suggested for other research on cerebral dominance, singled out for both latency and duration of tickle three groups of dominance: right, left, and nondominant subjects.

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Biophysics and Psychophysics of Feeling

Cited by 19 publications

References 186 publications

The perception of surface roughness by active and passive touch

The perception of surface roughness by active and passive touch

Apparent body tilt and postural aftereffect

Tickle Perception as Micro-Experience of Pleasure: Its Phenomenology on Different Areas of the Body and Relation to Cerebral Dominance

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