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Updated: Jun 19, 2026

Detecting Behavioral Deficits in Rats After Traumatic Brain Injury

Detecting Behavioral Deficits in Rats After Traumatic Brain Injury

Published on: January 30, 2018

The Brain Injury Screening Tool (BIST): Tool development, factor structure and validity.

Alice Theadom^1,2, Natalie Hardaker^3,4, Charlotte Bray²

¹TBI Network, Auckland University of Technology, Auckland, New Zealand.

|February 4, 2021

Summary

This summary is machine-generated.

The Brain Injury Screening Tool (BIST) offers a reliable method for assessing mild traumatic brain injury recovery pathways. Its development and validation show strong psychometric properties for clinical use.

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Area of Science:

Neuroscience
Clinical Psychology
Rehabilitation Medicine

Background:

Healthcare pathways for mild traumatic brain injury (mTBI) are inconsistent.
Clinicians report uncertainty in mTBI recognition, management, and referral decisions.
A standardized tool is needed to guide mTBI care and improve patient outcomes.

Purpose of the Study:

To develop and validate the Brain Injury Screening Tool (BIST) for guiding mTBI healthcare pathways.
To assess the psychometric properties of the BIST, including reliability and validity.
To provide clinicians with a tool based on clinical indicators of poor recovery.

Main Methods:

The BIST was developed through a three-step process: domain mapping, item development, and testing.
A retrospective online survey of 114 adults with past mTBI was conducted.
Psychometric properties were evaluated using Cronbach's alpha for reliability and Spearman's correlation for concurrent validity against RPQ and SCAT-5.

Main Results:

The BIST 15-item symptom scale demonstrated high concurrent validity with RPQ (r=0.91) and SCAT-5 (r=0.90).
Excellent internal consistency was found for the total scale (α=0.94) and its factors: physical/emotional (α=0.90), cognitive (α=0.92), and vestibular-ocular (α=0.80).
Readability analysis indicated the items are suitable for a reading age of 6-8 years.

Conclusions:

The BIST is a psychometrically sound tool supporting its utility in assessing mTBI recovery.
The study provides evidence for the BIST's internal consistency, factor structure, and concurrent validity.
Further research is recommended to evaluate the BIST's scoring criteria and responsiveness to change.