Someone with dementia may experience delusions which are “a temporary loss of memory, often accompanied by hallucinations, terror, grandiosity, and irrational behavior” (Berger 2011, page 678. “While the symptoms of dementia can vary considerably, to be considered dementia at least two of the following fundamental mental functions must be significantly impaired: memory, communication and language, ability to concentrate and attention, reasoning and judgment or visual perception" (Alzheimer Association Most people with dementia). they start with few symptoms and then get worse. It is important for a person to consult a doctor if they experience symptoms of dementia so that they can get the necessary help as soon as possible and can slow down the symptoms because a person has memory loss who has dementia or Alzheimer's and therefore should be assessed by a professional before receiving any treatment. There are preventions for dementia, as well as treatments, but no cure. Two preventive measures against dementia are a healthy diet and regular physical activity. "In the case of most progressive dementias, including Alzheimer's disease, there is no cure or treatment that slows or stops their progression" (Alzheimer's Association). There are treatments to temporarily cure the symptoms, these include: pharmacological or non-pharmacological therapies. “But pharmacological and non-pharmacological treatments can help both cognitively and behaviorally