Objective: This study will evaluate the changes in the somatosensory temporal discrimination threshold (STDT) after focal muscle vibration. The hypothesis was that the STDT, which is related to the functions of basal ganglia and somatosensory cortex, would deteriorate during application of peripheral muscle vibration if it had indirect central effects. Materials and Methods: A total of fifteen healthy subjects (mean age 24.3±5.6;18-60) years) were prospectively included in the study. The researchers performed recordings of sensory threshold and the STDT on the second finger before, during, and after vibration in all subjects. A 100 Hz vibration was applied on the forearm flexor muscles for two minutes. The recordings were repeated four times: during, immediately after, one minute after, and three minutes after vibration. Results: The mean STDT was 95.0±30.0 ms in recordings before vibration. During vibration, the STDT was significantly longer (146.9±52.6 ms) as compared to previbration recordings. However, the STDT value reduced immediately after the vibration and returned to previbration levels at one minute recordings (p=0.001, Friedman test). Conclusion: The STDT value was longer during vibration. The longer STDT values during vibration suggest that the central effects of vibration can occur either directly or indirectly.