PERCEPTUAL-MOTOR INTERACTION: SOME IMPLICATIONS FOR HCI

2009 ◽  
pp. 21-36
Keyword(s):  
Motor Interaction

Cognitive-motor interaction during virtual reality trail making

2019 ◽  
Author(s):  
Oran Ben Gal ◽  
Glen M. Doniger ◽  
Maya Cohen ◽  
Yotam Bahat ◽  
Michal Schnaider Beeri ◽  
...  
Keyword(s):  
Virtual Reality ◽  
Trail Making ◽  
Motor Interaction

The Impact of Unaware Perception on Bodily Interaction in Virtual Reality Environments

2009 ◽  
Vol 18 (6) ◽  
pp. 413-420 ◽  
Author(s):  
Marcos Hilsenrat ◽  
Miriam Reiner
Keyword(s):  
Virtual Reality ◽  
Visual Perception ◽  
Haptic Perception ◽  
Normal Force ◽  
Cognitive Level ◽  
Remote Manipulation ◽  
Sensitivity Changes ◽  
The Impact ◽  
Background Context ◽  
Motor Interaction

Unaware haptic perception is often inferred but rarely demonstrated empirically. In this paper we present evidence for the effects of unaware haptic stimuli on users' motor interaction with virtual objects. Using a 3D hapto-visual virtual reality, we ran a texture-difference recognition test in which subjects glided a pen-like stylus along a virtual surface with varying roughness. We found that subjects were not aware of changes in texture roughness below a threshold limit, yet the normal force they applied changed. Subjects did not recognize on a cognitive level changes in the sensory cues, but behaved as if they did. These results suggest that performance can be affected through subliminal cues. Based on results from visual perception studies, we also tested the impact of context background conditions on the perception of unaware cues. We measured the threshold of awareness to changes in texture for several reference stimuli. We found that indeed, as in visual perception, this threshold for discriminating between the roughness of surfaces increases when the texture gets smoother, that is, sensitivity changes as a function of the background context. The implications of this work are mainly in the design of VR, especially for the remote manipulation of objects.

Perceptual judgments via sensory-motor interaction assisted by cortical GABA

2018 ◽  
Vol 44 (2) ◽  
pp. 233-251 ◽  
Author(s):  
Osamu Hoshino ◽  
Meihong Zheng ◽  
Kazuo Watanabe
Keyword(s):  
Perceptual Judgments ◽  
Sensory Motor ◽  
Motor Interaction

Sensory-Motor Interaction in the Primate Auditory Cortex During Self-Initiated Vocalizations

2003 ◽  
Vol 89 (4) ◽  
pp. 2194-2207 ◽  
Author(s):  
Steven J. Eliades ◽  
Xiaoqin Wang
Keyword(s):  
Auditory Cortex ◽  
Cortical Neurons ◽  
Vocal Communication ◽  
Dynamic Range ◽  
Common Marmoset ◽  
Acoustic Environment ◽  
Hearing Sensitivity ◽  
Sensory Motor ◽  
Excitatory Responses ◽  
Motor Interaction

Little is known about sensory-motor interaction in the auditory cortex of primates at the level of single neurons and its role in supporting vocal communication. The present study investigated single-unit activities in the auditory cortex of a vocal primate, the common marmoset ( Callithrix jacchus), during self-initiated vocalizations. We found that 1) self-initiated vocalizations resulted in suppression of neural discharges in a majority of auditory cortical neurons. The vocalization-induced inhibition suppressed both spontaneous and stimulus-driven discharges. Suppressed units responded poorly to external acoustic stimuli during vocalization. 2) Vocalization-induced suppression began several hundred milliseconds prior to the onset of vocalization. 3) The suppression of cortical discharges reduced neural firings to below the rates expected from a unit's rate-level function, adjusted for known subcortical attenuation, and therefore was likely not entirely caused by subcortical attenuation mechanisms. 4) A smaller population of auditory cortical neurons showed increased discharges during self-initiated vocalizations. This vocalization-related excitation began after the onset of vocalization and is likely the result of acoustic feedback. Units showing this excitation responded nearly normally to external stimuli during vocalization. Based on these findings, we propose that the suppression of auditory cortical neurons, possibly originating from cortical vocal production centers, acts to increase the dynamic range of cortical responses to vocalization feedback for self monitoring. The excitatory responses, on the other hand, likely play a role in maintaining hearing sensitivity to the external acoustic environment during vocalization.

Biological movement increases acceptance of humanoid robots as human partners in motor interaction

AI & Society ◽  
2011 ◽  
Vol 26 (4) ◽  
pp. 339-345 ◽  
Author(s):  
Aleksandra Kupferberg ◽  
Stefan Glasauer ◽  
Markus Huber ◽  
Markus Rickert ◽  
Alois Knoll ◽  
...  
Keyword(s):  
Humanoid Robots ◽  
Biological Movement ◽  
Motor Interaction
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