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

Shadows in the brain.

Umberto Castiello1, Dean Lusher, Carol Burton

  • 1Department of Psychology, Royal Holloway--University of London, Egham, UK. u.castiello@rhul.ac.uk

Journal of Cognitive Neuroscience
|September 27, 2003
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

From Localization to Coordination: Distributed Causality and the Emergence of Biological Function in the Brain and Plant Systems.

Biology·2026
Same author

The neural underpinnings of cognitive and postural profile of a young adult with congenital cerebellar athrophy: a longitudinal case report.

Frontiers in neuroscience·2026
Same author

Comparing Proton Transfer Reaction (PTR) and Adduct Ionization Mechanism (AIM) for the Study of Volatile Organic Compounds.

Molecules (Basel, Switzerland)·2026
Same author

Unveiling the sensorimotor basis of numerical processing: A functional near-infrared spectroscopy (fNIRS) study.

NeuroImage·2025
Same author

Revealing synchrony in pea plants using wavelet coherence analysis.

Scientific reports·2025
Same author

Key Invariants in the Evolution of Sociality Across Taxa.

Biology·2025
Same journal

Sensorimotor Adaptation of Vocal Pitch Is Impaired in Cerebellar Ataxia.

Journal of cognitive neuroscience·2026
Same journal

Memory in the Palm of Your Hand: Smartphone-based Methods for Measuring Memory in the Wild.

Journal of cognitive neuroscience·2026
Same journal

Processing Asymmetry in Object-modifying Relative Clauses: Evidence from Functional Connectivity.

Journal of cognitive neuroscience·2026
Same journal

Extensive Experience Remodels Neural Task Circuitry to Escape the Frontal Bottleneck and Increase Automaticity of Categorization.

Journal of cognitive neuroscience·2026
Same journal

Investigating the Effects of Acute Stress on Neural Mechanisms of Self-controlled Decision-making.

Journal of cognitive neuroscience·2026
Same journal

Distilling the Neurophenomenological Signatures of Pure Awareness during Transcendental Meditation.

Journal of cognitive neuroscience·2026
See all related articles

This study shows that the human brain implicitly processes object shadows, likely within the temporal lobe. Evidence from brain-injured patients suggests this occurs without conscious awareness.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Object shadows play a crucial role in visual perception and object recognition.
  • The neural basis of implicit visual processing, particularly for features like shadows, remains incompletely understood.

Purpose of the Study:

  • To determine if object shadow processing occurs implicitly (without conscious awareness).
  • To identify the specific brain regions involved in shadow processing.

Main Methods:

  • Utilized neurological evidence from brain-injured patients diagnosed with visual neglect.
  • Compared shadow processing efficiency in patients with and without lesions in the right temporal lobe.

Main Results:

  • Patients with neglect and intact right temporal lobes demonstrated efficient shadow processing for object shape perception.

Related Experiment Videos

  • Patients with neglect involving the right temporal lobe showed impaired shadow processing efficiency.

    • Conclusions:

    • Object shadow processing is an implicit cognitive function.
    • The temporal lobe, particularly the right side, is implicated in the neural processing of object shadows.