Characterization of oculomotor response to pseudorandom stimuli using time-domain analysis-effects of alcohol intoxication on smooth pursuit movements /

130ms, which has been reported in the literature. No statistically

Bibliographic Details
Main Author: Goldsberry, Dennis Hamilton, 1975-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:130ms, which has been reported in the literature. No statistically
as recorded by infrared oculography (IROG). This study extends the work
attempts to develop mathematical regression models to represent the respo
comparing the time-domain results to Reddy's nonlinear model. This work
comparison. In addition, a difference between pre- and post- alcohol
consumption recordings is investigated. Introducing time delays through
extends the effects of alcohol intoxication on the response of the smooth
introducing higher-order non-lagged terms. The smooth pursuit system is
model. In fact, the first-order lagged variable improves the model more
model. This also implies that the sub-threshold alcohol level (BAC<0.10%
not produce detectable manifestations.
observed for various values of lag in the first-order model and the maxim
Oculomotor impairment is often a sign of brain dysfiinction. This study
of the data and of first-order regression residuals. The R2values were
pursuit system to a pseudorandom non-linear sum-of-sinusoids input and
Reddy, using the data recorded from seventeen subjects in his experiments
significant difference was found between the pre- and post-alcohol models
strongly linear with minor non-linearities, as is shown through scatter p
subject, indicating a wide amount of variation with a mean value of about
suggesting that both conditions can be described by the same form of the
the one developed by Reddy, using adjusted R2 values as the parameter of
to determine the effects of introducing a time delay into a model simular
use of lagged variables significantly improves the adjusted IC values of
value obtained. The maximum occurred at different values of lag for each
Item Description:"Major subject: Bioengineering".
Vita.
Physical Description:x, 90 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.