Effect of Marihuana and Alcohol on Visual Search Performance

Moskowitz, Herbert, 1925-; Ziedman, Kenneth; Sharma, S.; University of California, Los Angeles. Computer Science Dept.

doi:10.21949/1524948

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Effect of Marihuana and Alcohol on Visual Search Performance

1976-10-01
By Moskowitz, Herbert, 1925- ; Ziedman, Kenneth ; Sharma, S.

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English

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Details:

Creators:

Moskowitz, Herbert, 1925- ; Ziedman, Kenneth ; Sharma, S.

Moskowitz, Herbert, 1925- ; Ziedman, Kenneth ; Sharma, S. Less -
Corporate Creators:

University of California, Los Angeles. Computer Science Dept.
Corporate Contributors:

United States. National Highway Traffic Safety Administration
Subject/TRT Terms:

[+]

Alcohol Effects Blood Alcohol Levels Drug Effects Highway Safety Human Subject Testing Marijuana Visual Perception
Publication/ Report Number:

DOT-HS-802-0252 ; UCLA-ENG-7615 ; NTIS-PB262133

DOT-HS-802-0252 ; UCLA-ENG-7615 ; NTIS-PB262133 Less -
DOI:

https://doi.org/10.21949/1524948
Resource Type:

Research Paper
Geographical Coverage:

United States
Edition:

Final report
Corporate Publisher:

United States. National Highway Traffic Safety Administration
Abstract:

Two experiments were performed to determine the effects of alcohol and marihuana on visual scanning patterns in a simulated driving situation. In the first experiment 27 male heavy drinkers were divided into 3 groups of 9, defined by three blood alcohol levels produced by alcohol treatment: 0.0%, 0.75%, and 0.15% BAC's. Significant changes in visual search behavior including increased dwell duration, decreased dwell frequency and increased pursuit duration and frequency were found under alcohol. In the second experiment 10 male social users of marihuana were tested under both 0 mcg and 200 mcg tetrahydrocannabinol per kilogram bodyweight. Marihuana was found to have no effect on visual search behavior. The results are related to previous studies of alcohol and marihuana effects on information processing. Implications for highway safety are discussed. /Abstract from report summary page/
Format:

PDF
Funding:

DOT-HS-150-3-668
Collection(s):

NHTSA - Behavioral Safety Research
Main Document Checksum:

[+]

urn:sha256:0321cedc9ad0f62fd40da2320a936164c0300e9578bd053721fa3464e1836369
Download URL:

https://rosap.ntl.bts.gov/view/dot/1169/dot_1169_DS1.pdf
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Effect of Marihuana and Alcohol on Visual Search Performance

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