An inability to perform acquired motor functions is called apraxia. In the early stages the person may struggle with complex motor movements. Later on, this generalises to an inability to perform simple motor tasks such as dressing, opening and closing doors, using a key, brushing teeth, and combing hair.
For more information visit: Dementia SA: http://www.dementiasa.org/ or Alzheimer’s South Africa: http://www.alzheimers.org.za