Which of the following can be a consequence of stroke on communication?

The answer is focused on the impact of a stroke on communication, specifically highlighting how stroke can lead to various speech and language disorders. When a stroke occurs, it can cause damage to areas of the brain that are crucial for communication, such as the Broca’s area or Wernicke’s area. This damage can result in conditions such as aphasia, which affects a person's ability to produce or understand language.

Communication disorders after a stroke can include difficulty in forming words, getting words mixed up, or having trouble understanding spoken or written language. These challenges can significantly alter a person's ability to communicate effectively, contributing to substantial changes in their speech and overall communication skills.

In contrast, the other options imply positive changes or improvements, which are generally not outcomes associated with stroke-related communication effects. Stroke typically does not lead to enhanced cognitive function, increased fluency, or improvements in comprehension. Instead, it often results in impairments that necessitate rehabilitation and support for recovery in communication skills.