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COGNITO - Inserm

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4. AUDITORY ATTENTION<br />

The subject is asked to<br />

discriminate between long and<br />

short sounds presented at<br />

variable intervals and to count<br />

only long sounds. The<br />

interviewer should use the<br />

practice trial to determine<br />

whether the subject has hearing<br />

difficulties which may hinder the<br />

completion of the task. Press the<br />

Start button to begin.The screen<br />

is blank and the subject should<br />

look at the screen while counting<br />

in order to standardize<br />

competing environmental<br />

stimuli.<br />

10 trials are given. After each<br />

trial a counter appears on which<br />

the interviewer should note the<br />

reply given by the subject, then<br />

press OK to start the next trial.<br />

The following will appear in the<br />

Results file:<br />

- The number of correct<br />

responses<br />

- The total number of<br />

errors<br />

- The number of<br />

overestimations<br />

- The number of<br />

underestimations<br />

7

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