NDLI: Lateral acceleration threshold detection in young adults and healthy elderly

Content Provider	IEEE Xplore Digital Library
Author	Richerson, S.J. Robinson, C.J. Ehsan, T.
Copyright Year	2002
Description	Author affiliation: Overton Brooks VA Med. Center, Shreveport, LA, USA (Richerson, S.J.; Robinson, C.J.; Ehsan, T.)
Abstract	Six neurologically intact adults (3 young adults <35 years and 3 elderly adults >50 yrs) were recruited to determine their acceleration detection threshold at three different lateral perturbation lengths (1, 4, and 16 mm). Using an optimized two alternative forced choice test, a parameter-estimation-by-sequential-testing technique varied acceleration according to the previous response of the subject until a threshold of detection was reached. Thresholds were compared among displacements and between young and elder adults. Results indicated that young adults had similar thresholds for all displacements, while elder adults had significantly higher accelerations at the 1 mm displacement. Elders performed similarly to the young adults at the 4 and 16 mm displacements. This indicates that aging may influence the sensory capabilities of elders, especially at small displacements.
Starting Page	2461
Ending Page	2462
File Size	265787
Page Count	2
File Format	PDF
ISBN	0780376129
ISSN	1094687X
DOI	10.1109/IEMBS.2002.1053375
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acceleration Senior citizens Testing Psychology Headphones Recruitment Motion detection Stability Eyes Biomedical engineering
Content Type	Text
Resource Type	Article

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