Impact of Sleeve Gastrectomy on Balance and Cognitive Function

Purpose of the study: Purpose of study is to determine the effect of sleeve gastrectomy on balance and cognitive function in Saudi Arabia. Aim of study: To investigate if there is any change of balance and cognitive function disturbance after sleeve gastrectomy on participant. Research hypothesis: Sleeve gastrectomy have no impact on balance and cognitive function. Inclusion criteria: The participant will be selected according to the following criteria: 1.History of sleeve gastrectomy within 1 to 5 years. 2\. Their age between (20-60 years). 3.Ability to walk without any assistive device. 4.All participant should be able to understand all requested instructions Exclusion criteria: The participant will be excluded if they have: 1. Any cognitive disturbances. 2. Disease that may affect balance (Spinal stenosis, peripheral polyneuropathy, vestibular impairment). 3. Gastrectomy operation less than 1year. 4. Pregnancy. Material: 1. Introduction survey (willingness of participant) to recruit sittable participant. 2. Assessment form survey to collected data and result (include MOCA and App-coo application)