ImPACT Version 4

Administration and Interpretation Manual

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Chapter 1 - ImPACT Version 4 Neurocognitive Test Battery

Overview

What Is a Concussion?

When Is a Head Injury More Than a Concussion?

What Symptoms Are Often Associated with a Concussion?

What Is Neurocognitive Assessment and Why Use It?

Rationale for the Development of ImPACT Version 4