Disclosed here is a method for enhancing synaptogenesis and/or neuritogenesis, reducing neurodegeneration, and/or reducing accumulation or aggregation of Tau proteins in a subject suffering from cochlear synaptopathy or vestibular synaptopathy or a central nervous system disease or condition, comprising administering to said subject in need thereof an effective amount of 2,4-disulfonyl α-phenyl tertiary butyl nitrone (2,4-DSPBN) or a pharmaceutically acceptable salt thereof. The method may further comprise administrating N-acetylcysteine (NAC) to the subject.
