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Social and Behavioral Sciences Commons

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Full-Text Articles in Social and Behavioral Sciences

The Effects Of Pointing Gestures On Visual Attention, Samaria J. Hamilton May 2017

The Effects Of Pointing Gestures On Visual Attention, Samaria J. Hamilton

Honors College Theses

Visual attention is a process that involves concentrating on select features, such as sensory cues, within the complex environment. Sensory cues within the visual field capture and redirect our attention. Previous research on eye gaze revealed that direct gaze captures attention. In the present study, pointing gestures and motion cues were tested together in a visual search task to examine their effects on attention. Participants were instructed to identify a target letter presented on one of four hands. Initially, two hands displayed a pointing gesture while the other two displayed an open gesture. Next, a target letter appeared, one open …


The Effects Of Familiarity On Visual Search Performance Of Typically Developing Toddlers And Toddlers With Autism Spectrum Disorder, Laura Keegan May 2017

The Effects Of Familiarity On Visual Search Performance Of Typically Developing Toddlers And Toddlers With Autism Spectrum Disorder, Laura Keegan

Honors College Theses

Visual Search is an attention task that measures how efficiently a person is able to find a target among distractors. It has been found before that children diagnosed with ASD can perform better at visual search when compared to age-matched typically developing children (Kaldy et al., 2011, 2013). Our team conducted a follow-up study with slightly different stimulus parameters (Smith et al., 2015) and two different potential target objects (in this task, an apple vs. a carrot). The results showed that the identity of the target object influenced toddlers’ search performance: they were slightly faster at finding the target when …