Digital Solution to Improve Cognitive Function in Epilepsy: PRODDIGE Project (PRODDIGE)

Background: Epilepsy leads to cognitive impairment in 20-50%. Compared to seizures, these cognitive disorders are a major additional factor in occupational, social and family disability. Memory and language skills are most often impaired. These disorders are well described, multifactorial, but no therapy (drug and/or non-drug) has been validated to date. Recently, cognitive remediation techniques have shown benefits in certain neurological pathologies, such as multiple sclerosis. In adult epilepsy, few previous cognitive remediation studies were performed but suffer significant methodological shortcomings that limit the scope of their results. Studies that have focused on cognitive function have shown promising results for attention and memory. In contrast, in the area of language, no studies have been published. Objective: to evaluate the effectiveness of a digital solution (PRODDIGE*) on the lexical access capacities in people with epilepsy. Method: Randomized, multicentric, observational study which will compare the use of a digital solution (PRODDIGE) in total autonomy versus the supervised use by a trained neuropsychologist. A neuropsychological assessment will be provided before and after a period of 4 months of use of the digital solution. Material: The medical project aims to offer an application of cognitive remediation to patients who suffer from cognitive impairments and especially language disorders. T The App is like a serious game, it's based on the playfulness of "game" and the seriousness of "medical exercise". During the exercise the patient can ask for clues help and isn't constrained by time in order to succeed "his mission". Conclusion: This will be the first French speaking app specifically dedicated to rehabilitation of language deficits observed in people with epilepsy. The expected benefits are an improvement of the patients' language complaints, the regular use of an adapted digital solution to improve their language difficulties, but also a better understanding of their disorders and an improvement of their self-esteem.

o best help patients, Norsys enterprise designed the app with three key principles: Co-designed, to encourage the emergence of original solutions about uses from patients and therapists, User-friendly, to encourage the patient to exercise regularly and with pleasure (soft, optimistic, pleasant and calm mood), Accessible design, to get an application compatible and adapted to the specifics of these patients (contrast, color, typography, manipulation) According to these principles, the app gives access to 6 mini-games in its first version and will be available on iOS and Android smartphones. These exercises allow patients to work on specific aspects of their pathologies, this is how the exercises are intended to be playful, dynamic (ex. drag'n'drop) and sometimes collaborative.

Depression scale score (Neurological Disorder Depression Inventory for Epilepsy : NDDI-E) : 6 to 24 points : 24 = worse outcome

Computerized Speed Cognitive Test (CSCT): processing speed index: number of correct items in 90 sec. 0 to 110 points : 110 = better outcome

Lexicon access tests (Denomination Orale 80): number of correctly named words (0 to 80 words) : 80 = better outcome

Selective Attention Test: Paced Auditory Serial Audition Test 4 seconds (PASAT): 0 to 60 score : 60 = better outcome

Backward digit span: number of digits recalled correctly in inverse order: 0 to 9 score: 9 = better outcome

Verbal Initiation Test: Phonological Fluency: number of words beginning with P given in 2 minutes 0 to 50 words Category fluency test: number of words given in 2 minutes that belong to the category of Animals.0 to 50 words

Number of correctly named words Boston Naming Test: number of correctly named words :0 to 50 points : 50 = better outcome

Number of correctly named words (BETL task : batterie evaluation troubles lexicaux = assessment of lexical impairment battery) 0 to 54 point : 54 = better outcome

BETL task : batterie evaluation troubles lexicaux = assessment of lexical impairment battery) : time in second

Inclusion Criteria: Person with epilepsy, according to Fisher et al. (2005) criteria: all type of epilepsy could be include (new-onset and drug-resistant) Treatment must have been stable for 4 months: have the same molecule Person who has received full information about the organization of the research and has not objected to his or her participation and the use of his or her data Person aged 18 and over Mandatory affiliation to a social security scheme Validated cognitive inclusion criterion: having a YES response on the cognitive complaint questionnaire : A.Spontaneous complaint : Does the patient spontaneously complain of language difficulties? B.Subjective complaint : Do you search for your words? Do you sometimes feel like you have the word on the tip of your tongue? Do you sometimes have trouble finding the names of people you know well? Do you ever say one word for another? Exclusion Criteria: Person with another neurological condition Patients and normal control : A person over the age of majority who is subject to a legal protection measure or who is unable to express their consent. Person deprived of liberty by a judicial or administrative decision A person who regularly uses psychoactive substances (cannabis, alcohol, etc.).