Traumatic head injury causes brief unconsciousness due to disruption of reticular activating system function.
Traumatic head injury leads to unconsciousness primarily through disruption of the ascending reticular activating system, as evidenced by diffusion tensor tractography studies linking ARAS structural damage to impaired consciousness.
The retrieved papers consistently support the claim that traumatic brain injury and subsequent loss of consciousness or altered states are directly associated with structural damage to the ascending reticular activating system (ARAS). Multiple studies utilizing diffusion tensor tractography show correlations between ARAS injury metrics and Glasgow Coma Scale scores or loss of consciousness severity. There are no papers contradicting this relationship.
Sung Ho Jang, Young Hyeon Kwon. The relationship between consciousness and the ascending reticular activating system in patients with traumatic brain injury. 2020. https://doi.org/10.1186/s12883-020-01942-7
This study demonstrates a clear relationship between impaired consciousness in traumatic brain injury and damage to the ascending reticular activating system (ARAS).
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Sung Ho Jang, Oh Lyong Kim, Seong Ho Kim, Jong Bum Kim. The Relation Between Loss of Consciousness, Severity of Traumatic Brain Injury, and Injury of Ascending Reticular Activating System in Patients With Traumatic Brain Injury. 2019. https://doi.org/10.1097/phm.0000000000001243
Findings show that loss of consciousness correlates with structural injury to various components of the ascending reticular activating system following traumatic brain injury.
Sung Ho Jang, Seong Ho Kim, Han Do Lee. Difference in the ascending reticular activating system injury between mild traumatic brain injury and cerebral concussion. 2019. https://doi.org/10.1515/tnsci-2019-0017
Research indicates that patients suffering from concussions and mild traumatic brain injuries experience injuries to the ascending reticular activating system, linking these structural deficits to altered consciousness.
Sung Ho Jang, YOUNGHYEON KWON. The relationship between consciousness and the ascending reticular activating system in patients with traumatic brain injury. 2020. https://doi.org/10.21203/rs.3.rs-46161/v2
This study confirms that injuries to the upper and lower dorsal ascending reticular activating system are closely related to impaired consciousness states in patients with traumatic brain injury.
Sung Ho Jang, Younghyeon Kwon. The relationship between consciousness and the ascending reticular activating system in patients with traumatic brain injury. 2020. https://doi.org/10.21203/rs.3.rs-46161/v1
This paper replicates the finding that consciousness levels correlate strongly with the integrity of the ascending reticular activating system after traumatic brain injury.
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