Completed

Connectivity of Occipital and Somatosensory Cortical Areas in Blind Subjects

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being collected

Drug Data

+ device Data

DrugDevice
Who is being recruted

Eye Diseases+5

+ Nervous System Diseases

+ Neurologic Manifestations

See all eligibility criteria
How is the trial designed

Observational
Study Start: April 1999
See protocol details

Summary

Principal SponsorNational Institute of Neurological Disorders and Stroke (NINDS)
Last updated: March 4, 2008
Sourced from a government-validated database.Claim as a partner

Study start date: April 1, 1999

Actual date on which the first participant was enrolled.

The purpose of this protocol is to test the hypothesis that the anatomical connectivity of occipital and somatosensory areas in early blind subjects differs from that in subjects who became blind later in life and from that in sighted volunteers.

NCT00001926
Principal SponsorNational Institute of Neurological Disorders and Stroke (NINDS)
Last updated: March 4, 2008
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

45 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Healthy volunteers allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Eye DiseasesNervous System DiseasesNeurologic ManifestationsSensation DisordersSigns and SymptomsPathological Conditions, Signs and SymptomsVision DisordersBlindness

Criteria

INCLUSION CRITERIA: Subjects with late blindness. Subjects with early blindness. Sighted volunteers. Age between 18 and 65 years. EXCLUSION CRITERIA: Subjects with personal or family history of seizures or other neurological or demyelinating disorders. Pregnant women tested after urine pregnancy test. Subjects with metal in the cranium except mouth. Subjects with intracardiac lines and implanted medication pumps. Subjects with increased intracranial pressure as evaluated by clinical means. Subjects with cardiac pacemakers. Intake or neuroleptics. Subjects with blindness secondary to degenerative CNS diseases.

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

National Institute of Neurological Disorders and Stroke (NINDS)

Bethesda, United StatesOpen National Institute of Neurological Disorders and Stroke (NINDS) in Google Maps
CompletedOne Study Center