Anatomy The sensation produced by a wisp of cotton on one’s fingeip is mediated by the: A Anterior coicospinal tract B Anterior spinocerebellar tract C Anterior spinothalamic tract. D Cuneocerebellar tract. 💡 Explanation The sensation produced by a wisp of cotton on one's fingeip is mediated by the: ✓ Correct Answer: C. Anterior spinothalamic tract.