Memory Performance of People with Different Dementia Severity for Different Semantic Hierarchies

Background: Memory disorder is a significant symptom during early-stage Alzheimer’s disease (AD). Changes in semantic memory are frequently seen in terms of forgetting names, loss of word meanings, and difficulties in linguistic expression. Significant semantic degeneration is not a normal phenomenon in elderly persons, and it may be an important sign in the early stages of progression of AD.Methods: Thirty-four participants aged between 60 and...