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Factors Influencing Capacity to Judge Direction of Tactile Stimulus Movement on the Face
D.A. Dreyer
Dental Research Center, Department of Oral Surgery, School of Dentistry, University of North Carolina, Chapel Hill, North Carolina 27514, Department of Physiology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27514
G.H. Duncan
Dental Research Center, Department of Oral Surgery, School of Dentistry, University of North Carolina, Chapel Hill, North Carolina 27514, Department of Physiology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27514
C.L. Wong
Dental Research Center, Department of Oral Surgery, School of Dentistry, University of North Carolina, Chapel Hill, North Carolina 27514, Department of Physiology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27514
B.L. Whitsel
Dental Research Center, Department of Oral Surgery, School of Dentistry, University of North Carolina, Chapel Hill, North Carolina 27514, Department of Physiology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina 27514
The influence of stimulus velocity and traverse length on a subject's ability to indicate direction of brush movement across perioral skin was determined using a forced-choice procedure. The data show that correct identification of brush direction increases with traverse length and is optimal for velocities between 3 and 25 cm/sec.
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Journal of Dental Research, Vol. 58, No. 11,
2052-2057 (1979)
DOI: 10.1177/00220345790580110301
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