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Influence of Perceptual-Motor Calibration on the Perception of Geographical Slope

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Influence of Perceptual-Motor Calibration on the Perception of Geographical Slope. / Linkenauger, S.A.; Readman, M.

In: Perception, Vol. 49, No. 6, 01.06.2020, p. 688-692.

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@article{53f54caf22804e1183a3091cfd21f01f,
title = "Influence of Perceptual-Motor Calibration on the Perception of Geographical Slope",
abstract = "Individuals drastically overestimate geographic slant. Research has suggested this occurs as the amount of energy it would take to ascend the slope modulates the perceived steepness. Numerous studies have provided evidence that alterations in current physiological potential can influence perceptions of geographical slant. However, it is unclear whether these influences are solely due to one's actual physiological state or whether anticipation of energy expenditure also influences perceived slope. To investigate this, we manipulated anticipated energy expenditure while maintaining actual physiological state by altering the coupling between optic flow and gait. Using virtual reality, we calibrated individuals to either large changes (low anticipated expenditure) or small changes (large anticipated expenditure) in optic flow when walking at the same speed. Following optic flow calibration, individuals estimated slopes of various degrees. The results obtained provide evidence that perceptions of geographical slant are influenced by anticipated energy expenditure.",
keywords = "hill slant perception, perception/action, perceptual motor calibration, virtual reality",
author = "S.A. Linkenauger and M. Readman",
year = "2020",
month = jun,
day = "1",
doi = "10.1177/0301006620918099",
language = "English",
volume = "49",
pages = "688--692",
journal = "Perception",
issn = "0301-0066",
publisher = "Pion Ltd.",
number = "6",

}

RIS

TY - JOUR

T1 - Influence of Perceptual-Motor Calibration on the Perception of Geographical Slope

AU - Linkenauger, S.A.

AU - Readman, M.

PY - 2020/6/1

Y1 - 2020/6/1

N2 - Individuals drastically overestimate geographic slant. Research has suggested this occurs as the amount of energy it would take to ascend the slope modulates the perceived steepness. Numerous studies have provided evidence that alterations in current physiological potential can influence perceptions of geographical slant. However, it is unclear whether these influences are solely due to one's actual physiological state or whether anticipation of energy expenditure also influences perceived slope. To investigate this, we manipulated anticipated energy expenditure while maintaining actual physiological state by altering the coupling between optic flow and gait. Using virtual reality, we calibrated individuals to either large changes (low anticipated expenditure) or small changes (large anticipated expenditure) in optic flow when walking at the same speed. Following optic flow calibration, individuals estimated slopes of various degrees. The results obtained provide evidence that perceptions of geographical slant are influenced by anticipated energy expenditure.

AB - Individuals drastically overestimate geographic slant. Research has suggested this occurs as the amount of energy it would take to ascend the slope modulates the perceived steepness. Numerous studies have provided evidence that alterations in current physiological potential can influence perceptions of geographical slant. However, it is unclear whether these influences are solely due to one's actual physiological state or whether anticipation of energy expenditure also influences perceived slope. To investigate this, we manipulated anticipated energy expenditure while maintaining actual physiological state by altering the coupling between optic flow and gait. Using virtual reality, we calibrated individuals to either large changes (low anticipated expenditure) or small changes (large anticipated expenditure) in optic flow when walking at the same speed. Following optic flow calibration, individuals estimated slopes of various degrees. The results obtained provide evidence that perceptions of geographical slant are influenced by anticipated energy expenditure.

KW - hill slant perception

KW - perception/action

KW - perceptual motor calibration

KW - virtual reality

U2 - 10.1177/0301006620918099

DO - 10.1177/0301006620918099

M3 - Journal article

VL - 49

SP - 688

EP - 692

JO - Perception

JF - Perception

SN - 0301-0066

IS - 6

ER -