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A rapid screen of the severity of mild traumatic brain injury
Veronica Eileen Comerford1, Gina Malke Geffen, Chris May
1Cognitive Psychophysiology Laboratory, University of Queensland, Herston, QLD, Australia. comerf@psy.uq.edu.au
Abstract:
This study investigated the sensitivity of information processing, recall and orientation tasks to the presence of mild Traumatic Brain Injury (mTBI). Fifty-six (40 male, 16 female) mTBI patients and 85 (57 male and 28 female) controls with orthopaedic injuries were tested within 24 hr of injury in the Department of Emergency Medicine. mTBI patients answered fewer orientation questions and recalled fewer words in delayed recall than orthopaedic patients. mTBI patients judged fewer sentences in 2 min than orthopaedic controls, and female mTBI patients judged fewer sentences than male mTBI patients. Male mTBI patients correctly recalled fewer words during immediate memory and learning than female mTBI patients and orthopaedic controls. Those mTBI patients with a history of previous head injuries did not perform more poorly than those mTBI patients without previous head injuries. These results indicate that tests of speed of information processing, word learning and orientation questions are sensitive to the acute effects of mTBI.
Insights
Mild traumatic brain injury (mTBI) acutely impairs information processing speed, memory recall, and orientation. Specific cognitive tests can detect these early effects in mTBI patients.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Emergency Medicine
Background:
- Mild traumatic brain injury (mTBI) is a common injury with potential cognitive consequences.
- Early detection of mTBI's acute effects is crucial for patient management.
Purpose of the Study:
- To evaluate the sensitivity of cognitive tasks to the acute effects of mild traumatic brain injury.
- To identify specific cognitive domains affected by mTBI within 24 hours of injury.
Main Methods:
- Cognitive assessments including information processing, recall, and orientation were administered to 56 mTBI patients and 85 orthopedic controls within 24 hours of injury.
- Performance was compared between mTBI patients and controls, and also analyzed by gender and history of previous head injuries.
Main Results:
- mTBI patients demonstrated deficits in orientation and delayed word recall compared to controls.
- Information processing speed was reduced in mTBI patients, with females performing worse than males.
- Male mTBI patients showed poorer immediate memory and learning compared to females and controls.
- Previous head injury history did not significantly impact acute mTBI performance.
Conclusions:
- Cognitive tests assessing information processing speed, word learning, and orientation are sensitive to the acute effects of mild traumatic brain injury.
- These findings highlight the utility of specific cognitive assessments in the early diagnosis and management of mTBI.
- Gender-specific differences in cognitive performance were observed in the acute phase of mTBI.