Cognitive processing involves many interrelated cognitive domains, such as performing daily tasks, attention, language, and memory. 70% of individuals with stroke experience cognitive problems. Due to cognitive problems, individuals with stroke have difficulty processing and planning information. This situation negatively affects daily living activities and returning to work. Cognitive disorders that occur after stroke negatively affect the functional independence of individuals. At the same time, individuals with stroke have difficulty structuring and organizing information. The individual may not be able to pay sufficient attention during the activity in terms of planning, automatic attention and adaptation to the stages required by the job.

Cognitive evaluation should include cognition, orientation, and higher cortical functions because the cognitive process is a very complex process. Assessment methods frequently used in cognitive evaluation of stroke patients; Scales and tests such as Simple Mental Test, Mini Mental State Test, Montreal Cognitive Assessment Scale, Wechsler Memory and Intelligence Test are used. General problems with these evaluations; Some of them have a long application period, some of them have problems in perception of the patients, and some of them have a low power to distinguish the cognitive problems of the patients. When the Brief Assessment of Cognitive Impairment Scale, a newly introduced scale in the literature, is examined; It attracts attention because the items are very simple for patients to perceive, combine cognitive tests and cognitive questionnaires, have a short application period, and have not shown a ceiling or floor effect in previous studies. For all these reasons, this study was planned to conduct the Turkish validity and reliability study of the Brief Assessment of Cognitive Impairment Scale.

Cognition; It is a broad concept that includes mental processes such as an individual's perception, understanding, processing and remembering of information. Cognition includes many mental activities such as thinking, learning, memory, problem solving, attention, and language use. The importance of cognition is related to the individual's ability to understand his environment, learn, solve problems and make effective decisions in daily life. These processes can have a direct impact on an individual's education, work, relationships, and overall quality of life. Therefore, understanding and supporting cognition can help individuals manage and improve their lives more effectively.

A common consequence of stroke is impaired cognition. It is stated that in the three-year period after stroke, up to 39% of patients have cognitive impairment. There is a significant relationship between cognitive abilities and functional performance. Therefore, cognitive impairment may reduce the independence of people with stroke in performing basic activities of daily living (such as eating, dressing, and toileting) and activities of daily living (such as household chores and social interactions). As a result, people with post-stroke cognitive impairment often require ongoing care and support, which can put pressure on caregivers and society. Therefore, effective assessment of post-stroke cognition is crucial for stroke rehabilitation. Frequently used assessment methods in the cognitive evaluation of stroke patients include scales and tests such as Mini Mental State Test, Montreal Cognitive Assessment Scale, and Wechsler Memory and Intelligence Test. However, when these evaluations are examined, there are problems in detecting the cognitive effects of patients with different severities due to the long application times of some of them and the floor and ceiling effects in some of them. Therefore, we planned this study to test the Turkish validity and reliability of the Brief Assessment of Cognitive Impairment Scale, a new, simple diagnostic tool that combines cognitive tests and cognitive questionnaires, in stroke patients.

Inclusion Criteria:

• Individuals between the ages of 40 and 75,
• Individuals who volunteer to participate in the research,
• Individuals diagnosed with stroke,
• Individuals who do not have cooperation and communication problems

Exclusion Criteria:

• Those with neurological problems other than stroke (patients diagnosed with Alzheimer's, Parkinson's, Dementia, MS)
• Those with perceptual problems
• Individuals with cooperation and communication problems

It will consist of individuals with stroke over the age of 40 who come to the University Hospital for treatment.