Related Experiment Video
Updated: May 9, 2026
10:49
An Injury Paradigm to Investigate Central Nervous System Repair in Drosophila
Published on: March 28, 2013
Shock, diaschisis and von Monakow
Eliasz Engelhardt1, Marleide da Mota Gomes
1Cognitive and Behavioral Neurology Unit, Institute of Neurology Deolindo Couto, Alzheimer's Disease Center, Institute of Psychiatry, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro RJ, Brazil. eliasz@centroin.com.br
Arquivos De Neuro-Psiquiatria
|July 17, 2013
Summary
The concept of shock, originating in the 18th century, evolved to include "diaschisis," a brain condition affecting distant areas. Modern neuroimaging helps identify diaschisis, particularly after cerebrovascular lesions.
Area of Science:
- Neuroscience
- Neurology
- Medical History
Background:
- The concept of
Observation:
- Early observations linked spinal cord transection to experimental shock.
- The
Findings:
- Diaschisis, a form of shock, describes functional disturbances in brain areas distant from a focal lesion.
- This phenomenon is primarily associated with cerebrovascular lesions.
- Neuroimaging techniques now allow visualization of diaschisis by detecting metabolic and blood flow changes in connected, yet anatomically separate, brain regions.
Implications:
- Understanding diaschisis is crucial for diagnosing and managing neurological deficits after brain injury.
- The concept aids in differentiating direct lesion effects from indirect functional disruptions.
- Advances in neuroimaging enhance the diagnostic capabilities for diaschisis.
