Development of a "pure-tactile" assessment of edge discrimination in the hands and oral cavity.

Abstract:

:Oral cavity edge perception acuity relative to the fingertip has previously been evaluated by the utilization of cognitively-loaded, stereognostic methods. However, with the lack of connection of the tongue to the visual association cortex, there is concern the superior acuity of the fingertip may be attributable to the cognitive component of the task. Here, perception acuity is evaluated by assessing participants' (n=29) just-noticeable-difference threshold for edge sharpness tiles using the finger and tongue. As expected, the pure-tactile task found greater acuity in the tongue, suggesting the cognitive component of the previous task confounded results and should not be used.

journal_name

Physiol Behav

journal_title

Physiology & behavior

authors

Miles BL,Ang SL,Simons CT

doi

10.1016/j.physbeh.2020.113035

subject

Has Abstract

pub_date

2020-10-01 00:00:00

pages

113035

eissn

0031-9384

issn

1873-507X

pii

S0031-9384(20)30349-8

journal_volume

224

pub_type

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