What is it about?

Impaired performance of Nonimpact mild traumatic brain injured individuals on a test requiring speeded tactile- and visual-spatial perception relates to deficient tactile-spatial performance, tactile-spatial memory for shapes and right fingertip number writing perception, and deficient visual-spatial memory for abstract concepts and the speeded learning of paired associates.

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Why is it important?

An hypothesis of diminished functional integrity of posterior regions of the brain should be considered in the neuropsychological assessment of individuals sustaining mild traumatic brain injury in the absence of direct impact to the head.


We have to consider why Nonimpact mild traumatic brain injury is associated with persistent spatial cognitive deficiencies whereas mild traumatic brain injury due to direct impact to the head results in complete neuropsychological recovery. Given frequent complaints of ongoing neck injury/pain by Nonimpact mild traumatic brain injury individuals, neck injury resulting in vertebrobasilar ischemia diminishing posterior brain function represents a viable hypothesis.

James Sweeney

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This page is a summary of: Preliminary study of spatial cognition relating to nonimpact mTBI, Applied Neuropsychology Adult, September 2018, Taylor & Francis,
DOI: 10.1080/23279095.2018.1476867.
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