Cognitive impairment, which includes memory, perception, problem-solving, conceptualisation and attention deficits. This may result from a range of conditions such as mental retardation, autism, brain injury, Parkinson’s disease, Alzheimer’s disease and old age. Learning difficulties can also affect a variety of memory, perception, problem-solving and conceptualisation skills. Learning difficulties include reading problems such as dyslexia, computational, reasoning and organisational deficits and non-verbal learning disorders. These are sometimes also associated with Attention Deficit Disorder and Hyperactivity.
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