Inclusion Criteria:  Participation in cognitive disease center Amnestic MCI diagnoses (clinical diagnoses following the guidelines of Petersen et al. 2011) Global deterioration scale (GDS) 2-3 values Participation assessing outcomes of the caregivers in the study  Exclusion Criteria:  Participation in another cognitive training program Dementia, neurologic or other disease non-neurodegenerative, which could affect cognitive change over time (medical-reported) Severe visual impairment, language impairment or motoric impairment of the upper extremity which significantly affects ability to solve jigsaw puzzles (medical-reported)