Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Does a causal relation exist between the functional hemispheric asymmetries of visual processing subsystems?

David R Andresen1, Chad J Marsolek

  • 1Department of Psychology, Stanford University, Jordan Hall, 420 Serra Mall, Stanford, CA 94305, USA. andr0196@psych.stanford.edu

Brain and Cognition
|September 15, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Do cerebral motivational asymmetries mediate the relationship between handedness and personality?

Laterality·2021
Same author

Medical Errors in Iowa: Prevalence and Patients' Perspectives.

Journal of patient safety·2018
Same author

Can dogs use vocal intonation as a social referencing cue in an object choice task?

Animal cognition·2018
Same author

Conflicting demands of abstract and specific visual object processing resolved by frontoparietal networks.

Cognitive, affective & behavioral neuroscience·2016
Same author

Separability of abstract-category and specific-exemplar visual object subsystems: evidence from fMRI pattern analysis.

Brain and cognition·2014
Same author

Implicit memory influences on metamemory during verbal learning after traumatic brain injury.

Journal of speech, language, and hearing research : JSLHR·2014

Brain hemisphere advantages for shape and spatial processing may not be linked. This study found no correlation between shape recognition and spatial relations asymmetries, challenging existing theories of cognitive function.

Area of Science:

  • Cognitive Neuroscience
  • Neuropsychology
  • Visual Perception

Background:

  • Previous studies suggest right-hemisphere dominance for specific shape recognition and spatial relations encoding.
  • Conversely, left-hemisphere advantages are indicated for abstract shape recognition and spatial relations encoding.

Purpose of the Study:

  • To investigate if hemispheric asymmetries in shape processing are causally linked to those in spatial-relations processing.
  • To test the hypothesis that a common underlying mechanism drives these observed asymmetries.

Main Methods:

  • Utilized divided-visual-field presentations with identical stimuli across four distinct tasks.
  • Measured performance and analyzed hemispheric asymmetries in shape and spatial-relations processing.

Related Experiment Videos

Main Results:

  • No significant correlation was found between the asymmetries observed in shape processing tasks.
  • Similarly, no correlation was found between asymmetries in spatial-relations processing tasks.
  • The observed asymmetries did not align with predictions from existing theories regarding shared causal forces.

Conclusions:

  • Hemispheric specializations for shape processing and spatial-relations encoding may operate independently.
  • The findings challenge the notion of a single, unifying causal factor underlying these cognitive asymmetries.
  • Further research is needed to elucidate the distinct neural mechanisms governing shape and spatial processing.