When it comes to finding synonyms for the phrase "more afferent," there are a few options available. One possible choice is "increased sensory input," which refers to a greater amount of information coming into the nervous system from the body's sensory receptors. Another word that may be used is "enhanced sensitivity," describing a heightened responsiveness to stimuli. Additionally, "augmented responsiveness" could be employed to indicate a more robust reaction to incoming stimuli. These synonyms can be useful for those seeking to communicate more precisely and avoid redundancy in their writing or conversation. Ultimately, the choice of synonym will depend on the specific context of a given situation.