Which of the following are mechanisms associated with motor recovery after stroke damage to the primary motor cortex? (Select all that apply) A) Activation of bilateral cortices. B... Which of the following are mechanisms associated with motor recovery after stroke damage to the primary motor cortex? (Select all that apply) A) Activation of bilateral cortices. B) Shifting activity to the ipsilateral hemisphere. C) Direct repair of the damaged area in the motor cortex. D) Dendritic growth and proliferation in alternative cortical areas.
Understand the Problem
The question is asking about the mechanisms related to motor recovery after a stroke that affects the primary motor cortex. It provides multiple options from which the user must select all that are applicable. This involves understanding neuroplasticity and the brain's recovery processes.
Answer
A, B, and D
The mechanisms associated with motor recovery after stroke damage to the primary motor cortex are Activation of bilateral cortices, Shifting activity to the ipsilateral hemisphere, and Dendritic growth and proliferation in alternative cortical areas.
Answer for screen readers
The mechanisms associated with motor recovery after stroke damage to the primary motor cortex are Activation of bilateral cortices, Shifting activity to the ipsilateral hemisphere, and Dendritic growth and proliferation in alternative cortical areas.
More Information
Motor recovery after stroke often involves neural plasticity, including the use of bilateral cortices and shifting activity within the brain to compensate for damage. The direct repair of the damaged area is not typically a natural or immediate mechanism.
Tips
A common mistake is selecting 'Direct repair of the damaged area', which is not a typical mechanism of natural recovery.
Sources
- Role of the Contralesional Hemisphere in Post-Stroke Recovery of... - pmc.ncbi.nlm.nih.gov
- Rehabilitation with Poststroke Motor Recovery: A Review with a... - pmc.ncbi.nlm.nih.gov
- The role of ipsilateral premotor cortex in hand movement after stroke - pnas.org
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