Case Study 202: Frontotemporal Dementia (FTD) When personality changes before memory does - that’s the hallmark clue. Frontotemporal dementia primarily targets the frontal and temporal lobes, the regions responsible for behavior, decision-making, and language. 💡 Key Signs & Symptoms: • Early, progressive changes in personality or social behavior • Loss of empathy or emotional flatness • Disinhibition - saying or doing things out of character • Apathy or loss of motivation • Language difficultie