Spatial Neglect and Bias in Near and Far Space
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| ClinicalTrials.gov Identifier: NCT00350012 |
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Recruitment Status : Unknown
Verified February 2016 by A. M. Barrett, MD, Kessler Foundation.
Recruitment status was: Recruiting
First Posted : July 10, 2006
Last Update Posted : February 24, 2016
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| Condition or disease |
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| Stroke |
Visual distraction is a problem that more often occurs people who have suffered strokes than in the general population. Problems of visual attention generally appear immediately following a stroke, and may impair driving and other functions. While it is thought that there is a natural course of improvement over time, little is known about how this improvement occurs. Some studies suggest that recovery is only partial, meaning certain aspects of visual attention may improve while other aspects remain but escape notice.
The purpose of this study is to examine the effect of stroke on a person's visual attention when looking at objects nearby versus far away, and to learn why a person's visual attention may become more distracted at near versus far distances. The purpose of this study is also to understand how modeled interventions, such as eye patching or prism goggles, affect impairment measures of visual attention.
After an initial screening (including attention, thinking, memory, and visual judgment tests), participants will be given a neurological examination. Participants may be asked to perform visual tasks while wearing an eye patch or prism goggles. Next, they will be asked to perform a line bisection task by looking at lines on a video screen either at close or far distances and, using a laser pointer, marking the center of the lines as they appear on-screen. Participants may be asked to perform other, similar visual tasks as well.
Duration of the study for participants varies, ranging from 1 or 2 sessions totaling approximately 2 hours to multiple sessions spanning a year.
Research from this study may help researchers better understand problems associated with stroke and may lead to therapies designed to promote improved visual attention.
| Study Type : | Observational |
| Estimated Enrollment : | 950 participants |
| Observational Model: | Case Control |
| Time Perspective: | Prospective |
| Official Title: | Spatial Neglect and Bias in Near and Far Space |
| Study Start Date : | May 2004 |
| Estimated Primary Completion Date : | April 2017 |
| Estimated Study Completion Date : | April 2018 |
| Group/Cohort |
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1
Persons who have had a stroke
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2
Healthy volunteers
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- Improve visual attention [ Time Frame: From 1 or 2 sessions totaling approximately 2 hours to multiple sessions in one year ]
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| Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | Yes |
| Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- The subject has a history of stroke.
- The subject is 18 to 100 years old.
- The subject is able to give Informed consent.
- The subject is post-Stroke with left-hemisphere injury and has no spatial neglect (no attentional imbalance).
- The subject is post-stroke with right hemisphere damage and has spatial neglect (attentional imbalance).
- Healthy subject with no brain injury.
- The subject is post stroke and has hemianopia (a "visual field cut").
- The subject is able and willing to comply with the study protocol, including availability for all scheduled clinic visits.
Exclusion Criteria:
- Subjects with brain tumors, head injury with loss of consciousness, visual disorders other than corrected near or far-sightedness, history of learning disabilities, dementia or Alzheimer's Disease.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00350012
| Contact: Jenny Masmela, BA | (973) 324-3564 | jmasmela@kesslerfoundation.org |
| United States, New Jersey | |
| Kessler Foundation Research Center, 1199 Pleasant Valley Way | Recruiting |
| West Orange, New Jersey, United States, 07052 | |
| Contact: A M. Barrett, MD 973-324-3569 abarrett@kesslerfoundation.org | |
| Principal Investigator: | Anna M. Barrett, MD | Stroke Rehabilitation Research, Kessler Foundation Research Center |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
| Responsible Party: | A. M. Barrett, MD, Director, Stroke Research, Kessler Foundation |
| ClinicalTrials.gov Identifier: | NCT00350012 History of Changes |
| Other Study ID Numbers: |
K02NS047009 5K02NS047099 ( U.S. NIH Grant/Contract ) |
| First Posted: | July 10, 2006 Key Record Dates |
| Last Update Posted: | February 24, 2016 |
| Last Verified: | February 2016 |
Keywords provided by A. M. Barrett, MD, Kessler Foundation:
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stroke visual spatial neglect |