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Traumatic Brain Injury l: Introduction

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DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...

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Related Experiment Video

Updated: May 8, 2026

Assessing Dominant-Submissive Behavior in Adult Rats Following Traumatic Brain Injury

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Published on: December 16, 2022

Validating the Multidimensional Health Perceptions Questionnaire: A traumatic brain injury model systems Rasch

Shannon B Juengst¹, Angelle M Sander¹, Monique R Pappadis²

¹Brain Injury Research Center, TIRR Memorial Hermann.

Rehabilitation Psychology

|May 7, 2026

Summary

This summary is machine-generated.

The Multidimensional Health Perceptions Questionnaire (MHPQ) is valid for adults with traumatic brain injury (TBI). This measure helps characterize health perceptions to support person-centered care.

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Area of Science:

Neuroscience
Psychology
Rehabilitation Medicine

Background:

The Multidimensional Health Perceptions Questionnaire (MHPQ) is a validated measure of health perceptions.
Previous validation was in individuals without specific health conditions.
Adults with traumatic brain injury (TBI) have unique health perception needs.

Purpose of the Study:

To determine the structural validity of the MHPQ in English-speaking adults with a history of TBI requiring inpatient rehabilitation.
To assess the MHPQ's suitability for characterizing health perceptions in this population.

Main Methods:

The MHPQ was administered to 250 participants in the TBI Model Systems National Database study via electronic survey or telephone.
Rasch analysis was conducted per MHPQ subscale to confirm structural validity.
Participant demographics included age, gender identity, and race/ethnicity.

Main Results:

Internal consistency reliabilities ranged from acceptable to excellent (Cronbach's alpha = .64–.91).
Rasch analysis confirmed unidimensionality across all subscales after removing 2 items (final 51 items).
The MHPQ demonstrated excellent reliability via item and person separation indices.

Conclusions:

Psychometric evidence supports the MHPQ for characterizing health perceptions in adults with chronic TBI.
The MHPQ can aid in providing more culturally responsive and person-centered care.
Future research will focus on validating the Spanish-language version and evaluating test-retest reliability.