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- aggregation classification "C3".
- aggregation creator B114370.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2007".
- aggregation format "application/pdf".
- aggregation hasFormat 1060660.bibtex.
- aggregation hasFormat 1060660.csv.
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- aggregation hasFormat 1060660.doc.
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- aggregation isPartOf urn:isbn:9783939390732.
- aggregation language "eng".
- aggregation publisher "Sportverlag Strauss".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Medicine and Health Sciences".
- aggregation title "The contribution of stereo vision to the control of braking".
- aggregation abstract "Introduction To be successful in the confusion of daily traffic, executing appropriate brake manoeuvres is an important skill. When following a car, a driver needs to be alert in order to quickly register and act upon decelerations of a leading vehicle. From the literature, it can be concluded that monocular information sources like the optical variable tau play an important role in the visual control of braking, but that several other visual cues, such as depth information from stereo vision, might have a supplement impact on brake behaviour. In present experiment, the contribution of stereo vision was investigated when performing a braking task Methods 26 female participants with normal (≤ 40 arcsec on a Grade Circle Test; StereoN; N = 13) or weak (≥ 800 arcsec; StereoW; N = 13) stereo vision performed braking tasks when driving at a speed of approximately 11 km/h on a go-cart. Subjects could start braking at 4, 7 or 10 meters from a target vehicle when a red lamp on the rear of this vehicle lit. The momentanuous position of the go-cart was measured at 200Hz with a laser (Noptel CMP2-30) and velocity and acceleration were calculated. From these data, time and distance of brake initiation, and time of maximal deceleration were calculated as principal dependent variables and submitted to a 3 (conditions of distance: 4m vs. 7m vs. 10m) x 2 (group conditions: stereoW, stereoN) ANOVA with repeated measures on the first factor. Results StereoW group started braking earlier in time than StereoN (p≤.05). In the braking adjustment phase, maximal deceleration occurred closer in time to contact for StereoN group than StereoW (p<.01). This effect increased up to 2596 msec in the 10m-condition, as the interaction effect showed up (p<.01). StereoN group reached standstill on a greater distance than StereoW group (p<.05). Conclusions From this experiment, it can be concluded stereo vision contributes to the initiation as well as to the control of a braking manoeuvre. However, this does not mean that people with a lack of stereo vision may cause greater risks in traffic negotiation, in particular situations in which rear-end collisions may occur. The lack of good stereo vision is even associated with more prudent brake behaviour, i.e. an earlier brake initiation and an earlier maximal deceleration.".
- aggregation authorList BK293330.
- aggregation endPage "106".
- aggregation startPage "105".
- aggregation aggregates 1060665.
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