NDLI: Inertial eigenvalues, rod density, and rod diameter in length perception by dynamic touch

Content Provider	Springer Nature Link
Author	Carello, Claudia Fitzpatrick, Paula Flascher, Ittai Turvey, M. T.
Copyright Year	1998
Abstract	Four experiments addressed the relevance of the eigenvaluesI $_{k}$ of the inertia tensor for perceiving length by dynamic touch. Experiments 1–2 focused on the consequences of limiting variation in the minimum eigenvalueI $_{3}$. Both revealed that perceived length is a function ofI $_{k}$. Whether the contribution ofI $_{3}$ is detected, however, depends on the range of values that characterize a particular object set. Experiments 3–4 considered the relationship between an independent index of a rod’s diameter, which does not affectI $_{k}$, and actual manipulation of a rod’s diameter, which does affectI $_{k}$. Whereas the former appeared as satisfaction of implicit instructions to alter reports of perceived length, the latter entailed actual differences in perceived length in accordance withI $_{k}$. Results are discussed with respect to the links among actual length, perceived length, andI $_{k}$, as well as, in particular, how these links guarantee that perceived length is in the range of actual lengths.
Starting Page	89
Ending Page	100
Page Count	12
File Format	PDF
ISSN	00315117
Journal	Perception & Psychophysics
Volume Number	60
Issue Number	1
e-ISSN	15325962
Language	English
Publisher	Springer-Verlag
Publisher Date	1998-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Cognitive Psychology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Sensory Systems Psychology

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