Visuomotor adaptation without vision?

Durgin, Frank H.; Pelah, Adar

doi:10.1007/s002210050769

Cited by 54 publications

(69 citation statements)

References 22 publications

(24 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…That is, people will overshoot targets in a blind walking task after running on a treadmill with closed eyes for as little as 1 min. This result was previously reported by Durgin, Pelah, and Amiruddin (1998), but they did not include a control condition for which there was no adaptation. Our second experiment, in which we examine the effect of adaptation time on the overshoot effect, suggests that there may be a ceiling on the amount of overshoot that can be obtained using a treadmill.…”

Section: Experimental Strategysupporting

confidence: 83%

“…The overshoot effect produced in Experiment 1 was quite large (over a meter), and it was similar in size not only to those effects found by Rieser et al (1995) but also to those observed by Durgin et al (1998). Durgin et al (1998) attempted to parametrically compare drift and overshoot aftereffects by varying visual information (eyes open or eyes closed) and treadmill speed.…”

Section: Experiments 2: Overshoot As a Function Of Adaptation Timesupporting

confidence: 55%

“…Unlike Rieser et al (1995), we did not provide our subjects with the opportunity to practice walking to targets without vision, because we wanted to assess adaptation-induced changes in each subject's untrained calibration state. (It is important to note that Durgin et al, 1998, did use a training procedure. Their results were similar.…”

Section: Methodsmentioning

confidence: 99%

“…Vision is but one source (albeit an important one) of perceptual information for self-motion perception. If there are internal models of the motion of the whole body through space, then those models incorporate more than just purely motor and visual information (see Loomis & Beall, 2004), and perceptuomotor learning can take place with eyes closed (Durgin & Pelah, 1999).…”

Section: Reinterpreting the Drift Effectmentioning

confidence: 99%

“…However, the treadmill speed they used to establish this null effect was much slower (4 km/h) than the treadmill speed used in their main experiment (8 km/h). Durgin et al (1998) have reported preliminary evidence that a reliable overshoot aftereffect is produced by treadmill running with or without vision. Using a more advanced design, in Experiment 1 we sought to replicate that result and to produce Rieser et al's aftereffect (overshoot) from Anstis's (1995) adaptation procedure (1 min of treadmill running with closed eyes).…”

Section: A Note On Treadmillsmentioning

confidence: 99%

See 4 more Smart Citations

Self-Motion Perception During Locomotor Recalibration: More Than Meets the Eye.

Durgin¹,

Pelah²,

Fox³

et al. 2005

Journal of Experimental Psychology: Human Perception and Perfor

Self Cite

101

View full text Add to dashboard Cite

Do locomotor aftereffects depend specifically on visual feedback? In 7 experiments, 116 college students were tested, with closed eyes, at stationary running or at walking to a previewed target after adaptation, with closed eyes, to treadmill locomotion. Subjects showed faster inadvertent drift during stationary running and increased distance (overshoot) when walking to a target. Overshoot seemed to saturate (i.e., reach a ceiling) at 17% after as little as 1 min of adaptation. Sidestepping at test reduced overshoot, suggesting motor specificity. But inadvertent drift effects were decreased if the eyes were open and the treadmill was drawn through the environment during adaptation, indicating that these effects involve self-motion perception. Differences in expression of inadvertent drift and of overshoot after adaptation to treadmill locomotion may have been due to different sets of ancillary cues available for the 2 tasks. Self-motion perception is multimodal.

show abstract

Section: Experimental Strategysupporting

confidence: 83%

Section: Experiments 2: Overshoot As a Function Of Adaptation Timesupporting

confidence: 55%

Section: Methodsmentioning

confidence: 99%

Section: Reinterpreting the Drift Effectmentioning

confidence: 99%

Section: A Note On Treadmillsmentioning

confidence: 99%

See 3 more Smart Citations

Self-Motion Perception During Locomotor Recalibration: More Than Meets the Eye.

Durgin¹,

Pelah²,

Fox³

et al. 2005

Journal of Experimental Psychology: Human Perception and Perfor

Self Cite

101

View full text Add to dashboard Cite

show abstract

The broken escalator phenomenon

Reynolds

Bronstein

2003

Experimental Brain Research

View full text Add to dashboard Cite

We investigated the physiological basis of the 'broken escalator phenomenon', namely the sensation that when walking onto an escalator which is stationary one experiences an odd sensation of imbalance, despite full awareness that the escalator is not going to move. The experimental moving surface was provided by a linear motor-powered sled, moving at 1.2 m/s. Sled velocity, trunk position, trunk angular velocity, EMG of the ankle flexors-extensors and foot-contact signals were recorded in 14 normal subjects. The experiments involved, initially, walking onto the stationary sled (condition Before). Then, subjects walked 20 times onto the moving sled (condition Moving), and it was noted that they increased their walking velocity from a baseline of 0.60 m/s to 0.90 m/s. After the moving trials, subjects were unequivocally warned that the platform would no longer move and asked to walk onto the stationary sled again (condition After). It was found that, despite this warning, subjects walked onto the stationary platform inappropriately fast (0.71 m/s), experienced a large overshoot of the trunk and displayed increased leg electromyographic (EMG) activity. Subjects were surprised by their own behaviour and subjectively reported that the 'broken escalator phenomenon', as experienced in urban life, felt similar to the experiment. By the second trial, most movement parameters had returned to baseline values. The findings represent a motor aftereffect of walking onto a moving platform that occurs despite full knowledge of the changing context. As such, it demonstrates dissociation between the declarative and procedural systems in the CNS. Since gait velocity was raised before foot-sled contact, the findings are at least partly explained by open-loop, predictive behaviour. A cautious strategy of limb stiffness was not responsible for the aftereffect, as revealed by no increase in muscle cocontraction. The observed aftereffect is unlike others previously reported in the literature, which occur only after prolonged continuous exposure to a sensory mismatch, large numbers of learning trials or unpredictable catch trials. The relative ease with which the aftereffect was induced suggests that locomotor adaptation may be more impervious to cognitive control than other types of motor learning.

show abstract

Exposure to a rotating virtual environment during treadmill locomotion causes adaptation in heading direction

et al. 2005

View full text Add to dashboard Cite

The goal of the present study was to investigate the adaptive effects of variation in the direction of optic flow, experienced during linear treadmill walking, on modifying locomotor trajectory. Subjects (n = 30) walked on a motorized linear treadmill at 4.0 kndh for 24 minutes while viewing the interior of a 3D virtual scene projected onto a scrccn 1.5 in in fioct oftheni. Thc virtiial scene depicted constant ~e l f -m~h~n eqiivalent to either 1) walking around the perimeter of a room to one's left (Rotating Room group) 2) walking down the center of a hallway (Infinite Hallway group). The scene was static for the first 4 minutes, and then constant rate self-motion was siniulated for the remaining 20 minutes. Before and after the treadmill locomotion adaptation period, subjects performed five stepping trials where in each trial they marched in place to the beat of a metronome at 90 stepdmin while blindfolded in a quiet room. The subject's final heading direction (deg), final X (for-aft, cm) and final Y (niedio-lateral, cni) positions were measured for each trial. During the treadmill locomotion adaptation period subject's 3D torso position was measured. We found that subjects in the Rotating Room group as compared to the Infinite Hallway group: 1) showed significantly greater deviation during post exposure testing in the heading direction and Y position opposite to the direction of optic flow experienced during treadmill walking 2 ) showed a significant monotonically increasing torso yaw angular rotation bias in the direction of optic flow during the treadmill adaptation exposure period. Subjects in both groups showed greater forward translation (in the +X direction) during the post treadmill stepping task that differed significantly from their pre exposure performance. Subjects in both groups reported no perceptual deviation in position during the stepping tasks. We infer that 3 viewing simulated rotary self-motion during treadmill locomotion causes adaptive modification of sensory-motor integration in the control of position and trajectory during locomotion which functionally reflects adaptive changes in the integration of visual, vestibular, and proprioceptive cues. Such an adaptation in the control of position and heading direction during locomotion due to the congruence of sensory infomiation dcmonstraics the potcritial for adqtive trznsfer between sensorimotor systems and suggests a common neural site for the processing and self-motion perception and concurrent adaptation in motor output. This will result in lack of subjects' perception of deviation of position and trajectory during the post treadmill step test while blind folded.

show abstract

Visuomotor adaptation without vision?

Cited by 54 publications

References 22 publications

Self-Motion Perception During Locomotor Recalibration: More Than Meets the Eye.

Self-Motion Perception During Locomotor Recalibration: More Than Meets the Eye.

The broken escalator phenomenon

Exposure to a rotating virtual environment during treadmill locomotion causes adaptation in heading direction

Contact Info

Product

Resources

About