There are different theoretical approaches to defining personality, but the predominant "trait theory" suggests that personality is the characteristic pattern of thoughts, feelings and behaviors habitually enacted by an individual.
Emotional and behavioral symptoms are common in dementia and can be major sources of stress to patients and their caregivers.
Neurodegenerative disease can lead to changes in a loved one’s social interactions. These changes may occur because of structural and neurochemical changes in the brain that affect a person’s ability to process and act on information.
