Dementia is not a specific disease but a general term that describes a wide range of symptoms associated with a decline in memory or other thinking skills severe enough to reduce a person’s ability to perform everyday activities.

People with dementia have significantly impaired cognitive functioning, which can interfere with everyday activities such as getting dressed or eating. They may also have behavioral problems, such as apathy, psychosis and depression.

Physicians diagnose dementia if two or more of the following brain functions are significantly impairedi:

  • Memory
  • Communication and language
  • Ability to focus and pay attention
  • Reasoning and judgment
  • Visual perception

Parkinson's Disease

Approximately one million Americans live with Parkinson's disease, with 60,000 diagnosed each year.

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LEWY BODY dementia

Lewy body dementia (LBD) is a progressive brain disorder in which Lewy bodies, abnormal deposits of a protein called alpha-synuclein, build up in areas of the brain that regulate behavior, cognition and movement.i

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  1. Lewy Body Dementia Association (2013) What is Lewy body dementia? Accessed August 15, 2017.