Deafness and Cognition in Middle-aged Adults

test to assess cognitive impairment. Result of this test is expressed on 30 points and is analyzed in function of age, sex, education level depending on publicised norms.

Trail making tests (TMT) A et B: rapidity test to evaluate executive functions. Score is expressed correct displacement number (in A and B parts) divided by time and multiply by ten.

"Fluences verbales sémantique et phonémique": test to evaluate linguistic skills. Score correspond to the number of words cited in 60 minutes in a specific category.

16-item Free and Cue Selective Recall Test (RLRI/16): test adapted in French from the Free and Cue Selective Reminding test (FCSRT) assessing episodic memory. After an encoding phase during which the subject reads and memorizes 16 words 4 by 4, the subject is asked to freely recall as many words as possible in 2 minutes, cues are then provided. The free and cue recall is repeated 3 times and then 20 minutes later (delayed recall). The score used in the study will be: sum of the immediate free recall of the first three trials (0 to 48) and score of the delayed free recall (0 to 16)

Digit Symbol Substitution Test (DSST) of the Weschsler Adult Intelligence Scale-IV (WAIS-IV): test assessing attention, psychomotor speed and executive functions, executive functions. This test presents a matrix of nine digit-symbol pairs on a sheet of paper. A list of 135 numbers is presented in random order. The subject must associate the symbol corresponding to the number as quickly as possible by following the matrix. The score used will be: number of correctly associated symbols in 90 seconds

Instrumental activities of daily living scale (IADL): evaluation of the level of dependence of dependence of the subjects [45] (addendum 2). Patients with MCI must remain independent. The existence of dependence contributes to the diagnosis of of dementia

Assessment or monitoring to be instituted for a score of 3 or more, and/or one "yes" answer to question 5, and/or two "yes" answers to questions: A,4,5,7,8.

Evaluate the type of MCI (amnesic, dysexecutive, multidomain)

Subjective evaluation of hearing noise based on Speech and spatial questionnary : Patients have to mark a scale, for example with a cross, at the right place between 0 and 10. A mark on the value 10 means that he is perfectly capable of doing or experiencing what is described in the corresponding question. A mark on the 0 indicates that he/she is hardly able to do or experience what is described.