Simulating Local Biases in Visual Attention in Neurocognitive Performance
Benjamin A Berry1, Gregory J Meyer1, Emily T O'Gorman1
1Department of Psychology, University of Toledo, Toledo, OH, USA.
Perceptual and Motor Skills
|January 22, 2024
Summary
Simulating visual attention deficits impaired complex figure reproduction and altered Rorschach responses. This research explores visual processing and neurocognitive impairments, offering insights into attention styles.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Visual Perception
Background:
- Typical visual perception involves right hemisphere global processing.
- Left hemisphere processing is associated with local, detail-oriented attention, often seen in neurocognitive impairments.
- Understanding attentional styles is crucial for interpreting visuospatial processing.
Purpose of the Study:
- To investigate the effects of inducing a local attentional focus on neurocognitive measures of visuospatial processing.
- To simulate conditions mimicking visual attention disorders to observe their impact on cognitive tasks.
Main Methods:
- Experiment I: Participants wore glasses simulating simultanagnosia to induce a local attentional style during neuropsychological tasks.
- Experiment II: Participants wore glasses designed to provoke differential hemispheric activation.
- Visuospatial processing was assessed using the Boston Qualitative Scoring System (BQSS) and Rorschach Performance Assessment System (R-PAS).
Main Results:
- Simulating simultanagnosia (Experiment I) impaired the ability to synthesize and reproduce complex figures (BQSS) and altered Rorschach Performance Assessment System (R-PAS) responses.
- Glasses designed to provoke differential hemispheric activation (Experiment II) did not significantly affect neurocognitive task performance.
- The findings suggest that induced local attention impacts specific visuospatial and projective testing measures.
Conclusions:
- Induced local attention, mimicking certain neurocognitive impairments, affects visuospatial synthesis and projective testing.
- The results have implications for interpreting scores on the Boston Qualitative Scoring System (BQSS) and Rorschach Performance Assessment System (R-PAS).
- Further research is needed to explore hemispheric influences on attention and visuospatial processing.


