Alen Hajnal1, Jeffrey B. Wagman2, David A. Bunch1, & Jonathan K ...

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Alen Hajnal1, Jeffrey B. Wagman2, David A. Bunch1, & Jonathan K. Doyon1. 1. University of ... should perform worse with ankle brace than without it. N=22 (9 ...
Do geographical slants feel steeper than they look?

Alen

1 Hajnal ,

Gibson (1979) claimed that perceptual systems are equivalent, and that perception is affordance-based. In our study we tested whether haptic and visual perception are equivalent. We used affordance task of stand-on-ability (Kinsella-Shaw, Shaw, & Turvey, 1992).

Jeffrey B. 1University

2 Wagman ,

Experiment 2: Control for balance by sitting VISUAL CONDITION

HAPTIC CONDITION

“look, don’t touch”

“touch, don’t look” N=22 (7 males, 15 females)

Ramp can be set to β = {12°,18°,24°,30°,36°,42°,48°}

Experiment 1: Visual and haptic perception of standon-ability VISUAL CONDITION

“look at ramp” ànot allowed to step onto sloped surface

Modality n.s.

HAPTIC CONDITION

“step onto ramp with one foot” ànot allowed to look at the sloped surface

2 (Modality) x 7(Angle) ANOVA on Proportion of Yes Responses: N=22 (8 males, 14 females) Modality* (p