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

Unilateral neglect restricted to visual imagery

C Guariglia1, A Padovani, P Pantano

  • 1Department of Psychology, University of Rome La Sapienza, Italy.

Nature
|July 15, 1993
PubMed
Summary

This study details a patient with impaired visual imagery but intact spatial perception, challenging previous assumptions about shared neural resources. Findings suggest the right frontal lobe plays a specific role in mental imagery.

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

Topography and functional connectivity analysis of heart surgery-associated brain lesions: a literature review.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2026
Same author

X-linked Emery-Dreifuss muscular dystrophy: a multicenter, Italian, cohort study.

Journal of neurology·2026
Same author

The evolution toward integrated community health care for older people in Italy.

Aging clinical and experimental research·2025
Same author

Understanding the role of cerebellum in early Parkinson's disease: a structural and functional MRI study.

NPJ Parkinson's disease·2024
Same author

Vortioxetine Treatment for Depression in Patients with Prodromal vs Mild Alzheimer's Disease: A Six-Month, Open-Label, Observational Study.

The journal of prevention of Alzheimer's disease·2024
Same author

Corrigendum to "Global uncertainty in the diagnosis of neurological complications of SARS-CoV-2 infection by both neurologists and non-neurologists: An international inter-observer variability study" [Journal of the Neurological Sciences. 2023 Jun 15;449:120646].

Journal of the neurological sciences·2023

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurology

Background:

  • Hemi-neglect, a disorder of spatial perception, often co-occurs with representational neglect.
  • Previous research suggests shared neural substrates for spatial perception and mental imagery.

Purpose of the Study:

  • To investigate a case of isolated visual imagery disorder.
  • To explore the neural basis of mental imagery distinct from spatial perception.

Main Methods:

  • Case study of a patient with visual imagery deficits.
  • Neuroimaging (computerized tomography) to identify lesion location.
  • Clinical assessment of spatial perception and mental imagery.

Main Results:

  • The patient exhibited significant deficits in visualizing familiar scenes (piazzas) but no neglect in external or personal space.

Related Experiment Videos

  • Computerized tomography revealed a lesion localized to the right frontal lobe.
  • This presentation contrasts with typical hemi-neglect cases and suggests a specific role for the frontal lobe.

    • Conclusions:

    • The findings challenge the notion that spatial perception and mental imagery always rely on identical neural networks.
    • The right frontal lobe may be crucial for specific aspects of mental imagery, particularly of familiar spatial environments.
    • This case highlights the complexity of the neural architecture underlying visual cognition.