Committee Chair

Eschman, Bret

Committee Member

Shelton, Jill T.; Clark, Amanda

Department

Dept. of Psychology

College

College of Arts and Sciences

Publisher

University of Tennessee at Chattanooga

Place of Publication

Chattanooga (Tenn.)

Abstract

Executive function (EF) refers to a set of cognitive processes responsible for higher-order thinking, behavioral regulation, and goal-directed behavior, while intelligence is considered a contributing factor to cognitive performance. Previous research has explored the relationship between these two constructs, but it has potentially overlooked the individual differences necessary for a comprehensive understanding of its complexity. This study aimed to investigate these individual differences in EF by employing novel eye-tracking methodology within a Go/No-Go task. We recruited 99 participants from the University of Tennessee at Chattanooga to complete an adapted Go/No-Go task and the Wechsler Abbreviated Scale of Intelligence Second Edition (WASI-II). We found that higher intelligence was associated with more efficient visual scanning strategies (i.e. fewer fixations and longer durations). Individuals who made fewer fixations and had longer fixation durations scored higher on block design, matrix reasoning, and vocabulary subscales in the WASI-II, and fixation duration significantly predicted intelligence.

Degree

M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science.

Date

5-2025

Subject

Executive functions (Neuropsychology)--Testing; Eye tracking; Visual perception--Physiological aspects; Wechsler Adult Intelligence Scale

Keyword

intelligence, executive function, eye-tracking

Document Type

Masters theses

DCMI Type

Text

Extent

viii, 43 leaves

Language

English

Rights

http://rightsstatements.org/vocab/InC/1.0/

License

http://creativecommons.org/licenses/by/4.0/

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