The term dementia is used to describe an illness that affects the memory. Patients can suffer from forgetfulness, loss of memory and the inability to remember new information. As well as being unable to speak and be understood by others and be unable to carry out general tasks. Patients can also suffer from mood changes and all reasoning. Verbal communication can also become difficult, as a person with dementia may frequently forget simple words or substitute inappropriate words in their place. This all has an effect on daily routines and people become unable to look after themselves properly and manage their own personal care.
2. Describe the key functions of the brain that are affected by dementia.
Frontal lobe is responsible for decision making, problem solving, control behaviour and emotions. Parietal lobe is responsible for sensory information from the body, also where letters are formed, putting things in order and spatial awareness. Occipital lobe is responsible for processing information related to vision. Cerebrum lobe is the biggest part of the brain, its role is memory, attention, thought, and our consciousness, senses and movement. Hippocampus is responsible for memory forming, organizing, storing and emotions.
3. Explain why depression, delirium and age related memory impairment may be mistaken for common causes of dementia.
Depression can cause a person to be unable to retain any new information, they can become aggressive or withdrawn, as does a person with Alzheimer's, but with antidepressants and time they may be able to use their recall in time. Delirium can look like dementia as it can affect the way a person thinks and rationalises things. They can lose their ability to function and communicate properly. Age related impairment can usually be noticed between the ages of 50 and 70 years. A person...