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Dynavision Normative Data for Healthy Adults: Reaction Test Program.

Cherie Blackwell¹, Kathy Cary², Kami Holst³

¹Cherie Blackwell, OTR/L, CHT, is Occupational Therapist, Genesis Physical Therapy and Wellness Center, Bettendorf, IA; blackwellc@genesishealth.com.

The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association

|February 21, 2020

Summary

This summary is machine-generated.

This study establishes physical response speed norms using the Dynavision D2 Visuomotor Training (D2) System for adults aged 18-80. Findings reveal age and sex influence response times, with women generally slower than men.

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Area of Science:

Neuroscience
Human Performance
Rehabilitation Science

Background:

Normative data for the Dynavision D2 Visuomotor Training (D2) System is established for healthy athletes, crucial for concussion management.
Limited data exists for physical response speed norms in healthy adults across a broad age spectrum (18-80 years).

Purpose of the Study:

To establish normative data for physical response speed using the D2 system in adults aged 18-80 years.
To identify age- and sex-specific performance standards for physical response speed.

Main Methods:

A cross-sectional, descriptive study was conducted with 300 healthy adults.
Participants were stratified into three age categories: 18-40, 41-60, and 61-80 years.
Physical response speed was measured using the D2 system, with data analyzed via a multiple regression model.

Main Results:

Significant differences in physical response speed were observed between sexes and across age groups.
Women consistently demonstrated slower response times than men across all age categories.
Physical response speed showed a significant increase with age, with distinct age and sex main effects (p < .0005).

Conclusions:

The identified normative standards provide valuable data for occupational therapy practitioners.
These norms aid in assessing visual and cognitive deficits in clients post-neurological injury (e.g., brain injury, stroke).
The findings enhance the evaluation toolkit for occupational therapists assessing neurological impairments.