Inclusion Criteria:  Age between 65 and 75 years Mini Mental State Examination score of ≥24 Education level of at least completion of elementary school Having undergone unilateral TKA surgery Access to technological equipment Ability to understand and follow verbal instructions  Exclusion Criteria:  Revision surgery Having any chronic disease that will affect the rehabilitation process Auditory and visual problems that may affect rehabilitation implementation and communication Postoperative complications (e.g., nerve injury and deep vein thrombosis) Attendance of any rehabilitation program (physiotherapy, speech therapy, psychotherapy, etc.) during the study period