Inclusion Criteria:  Inclusion Criteria PWA  Diagnosed with minimal, light or moderate aphasia provoked by a left hemisphere cardiovascular accident post-acute or chronic phase with a minimum of six weeks post onset Swiss German as first language sufficient language comprehension to follow the instructions during the experiment attention span of minimum 45 minutes no indication for dementia and if any only mild dysarthria and apraxia of speech according to the treating speech therapist intact color vision normal or corrected to normal vision and hearing  Inclusion Criteria CG  Swiss German as first language No neurological diseases in their health history Intact color vision Normal or corrected to normal vision and hearing  Exclusion Criteria:  Exclusion Criteria PWA  Not fulfilling the above inclusion criteria Severe aphasia Aphasia with an associated disorder in the area of access to semantic object information, as indicated by performance on The Pyramids and Palm Trees Test (PPTT)  Exclusion Criteria CG  -Not fulfilling the above inclusion criteria