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Check someone's mental capacity

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A person may not have mental capacity because of a problem with the way their brain functions, for example:

  • a serious brain injury
  • an illness, such as dementia
  • severe learning disabilities

Mental capacity can come and go (for example, with dementia and some mental illnesses). A person can also recover mental capacity (for example, following a severe stroke).

GOV.UK has more about how to check someone's mental capacity.

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