What is dementia primarily characterized by?

Dementia is primarily characterized by a decrease in cognitive ability. This condition affects various mental functions such as memory, thinking, problem-solving, and language skills. Individuals with dementia often experience difficulties in performing everyday activities due to a decline in their cognitive capabilities.

As dementia progresses, it can lead to confusion, disorientation, and challenges in communication. This cognitive decline differentiates dementia from conditions that may enhance cognitive functions or physical abilities, as seen in the other choices. Understanding this decline is crucial for recognizing the impact of dementia on daily living and the overall health of affected individuals.