Inclusion Criteria:  Post-stroke hemiplegia or chronic hemiparesis Not having any neurological disorder other than stroke Not having vision problems that will affect the materials to be used during the treatment. To be able to communicate enough to understand the orders given Standardized Mini Mental Test (SMMT) score of 24 and above Not having seen a visualization application before  Inclusion Criteria for Healthy Participants:  Being between the ages of 40-80 To be similar in terms of age, gender, education level of individuals with stroke  Exclusion Criteria:  Having an advanced degree of aphasia Unilateral neglect Standardized Mini Mental Test (SMMT) score below 24 points Multiple stroke history Having pain and limitation of joint motion that will interfere with functional activity Walking restriction Serious communication or understanding problems Presence of serious cardiovascular, respiratory, metabolic or orthopedic problems Presence of a secondary neurological disease