A 79-year-old client resides independently in the community. The visiting home health nurse finds that despite it being 90°F outside, the windows are closed and the client is wearing a sweater. The nurse initially recognizes that this behavior may be related to what?

Age-related motor deficiencies that result in self-neglect

Age-related neurosensory changes that diminish awareness of temperature changes

Delirium-related to an acute illness that is affecting body heat production

Cognitive changes that diminish the individual's awareness of temperature changes