Explanation of Codes Table

Level of Response

NR - No Response

The student shows no noticeable response to the sound.

1. Awareness/Reflexive

Student demonstrates motoric responses, indicating he/she is aware of the sound.

2. Attention/Alerting

In addition to being aware of sound, the student pays attention to the sound for a few seconds.

3. Localization

The student attempts to locate and/or find the sound source.

4. Discrimination

The student can tell the difference between two different sounds.

5. Recognition

The student responds to sound in a patterned way.

6. Comprehension

The student responds to novel and routine sounds appropriately. Language is a component of this level.