Biomedical subjects
Publications and source records attributed to R Gustafson.
An experimental study was performed testing whether a small dose of alcohol would lead to larger decrements in simple visual reaction time for peripheral signals compared to central ones. Analysis indicated such an effect of alcohol, which was discussed as supportive of an interpretation in terms of impaired peripheral sensory sensitivity rather than a redistribution of attention within the visual field.
The present study tested whether earlier reported effects of alcohol on simple auditory and visual reaction time in a vigilance setting should be attributed to the pharmacological properties of alcohol or to subjects' expectancies as to the acute effects of alcohol. Results indicated that an expectancy interpretation can be excluded.
An experiment tested the hypothesis that a small dose of alcohol will produce a faster increase in simple auditory reaction time with time on task and increase over-all mean number of and over-all mean duration of extreme long reactions more than a zero-alcohol dose if signal frequency is low. The hypothesis was confirmed and theoretical and practical implications were discussed.
Two experiments were performed to test whether a small dose of alcohol (0.67 ml/kg) would produce faster increments in simple auditory reaction time with time on task than a 0 dose to 60 db (Exp. I) and 40 db (Exp. II) signals. Analysis indicated no such effects of alcohol but mean number and mean duration of extreme long reactions (blockings) increased as an effect of alcohol. The latter effect, however, was not related to time on task.
In an experimental setting 40 male subjects were asked about their aggressive expectancies in relation to alcohol. They then drank either an alcohol or a placebo drink while exposed to an attractive film and written material designed to alter their beliefs. Results indicate that increases in aggression are expected when drinking and that such beliefs are stable and not influenced by short and trustworthy information.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.