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

Topographic disorientation: two cases

M C Pai1

  • 1Department of Neurology, National Cheng Kung University Hospital, Tainan, Taiwan, ROC.

Journal of the Formosan Medical Association = Taiwan Yi Zhi
|August 1, 1997
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

Gastrointestinal stromal tumours: a clinico-radiologic review from a single centre in South India.

Journal of medical imaging and radiation oncology·2009
Same author

Primary mediastinal synovial sarcoma with transdiaphragmatic extension presenting as a pericardial effusion.

Singapore medical journal·2009
Same author

Prolonged reversible amnesia: a case report.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2007
Same author

Alzheimer's disease: scintigraphic appearance of Tc-99m HMPAO brain spect.

The Kaohsiung journal of medical sciences·2001
Same author

Education and cognitive decline in Parkinson's disease: a study of 102 patients.

Acta neurologica Scandinavica·2001
Same author

Transient topographical disorientation as a manifestation of cerebral ischemic attack.

Journal of the Formosan Medical Association = Taiwan yi zhi·2000

Topographic disorientation, a rare condition, results from right occipitotemporal lesions. Lesion location influences symptom severity and recovery in patients with topographic disorientation.

Area of Science:

  • Neuroscience
  • Neurology
  • Cognitive Psychology

Background:

  • Topographic disorientation is an uncommon neurological condition.
  • It is typically associated with lesions in the right occipitotemporal region.
  • The right parahippocampal and lingual gyri are considered key substrates.

Observation:

  • Two cases of topographic disorientation are presented.
  • Both patients experienced sudden navigational difficulties following a stroke.
  • Neuroimaging revealed infarcts in the right posterior cerebral artery territory.

Findings:

  • Patient 1, with a more dorsal lesion, showed gradual recovery of topographic orientation.
  • Patient 2, with a more ventral lesion, exhibited persistent disorientation despite intact map-drawing abilities.

Related Experiment Videos

  • Both patients presented with left homonymous hemianopia but lacked other cortical deficits.

    • Implications:

    • Lesion location within the right posterior cerebral artery territory influences the presentation and prognosis of topographic disorientation.
    • Differentiating lesion sites may help predict recovery patterns.
    • Further research is needed to fully elucidate the neural mechanisms underlying spatial navigation and disorientation.