?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Psychophysical+Evaluation+of+A+Mechanotactile+Haptic+Feedback+Device&rft.creator=Roshan%2C+D&rft.creator=Shariati%2C+A&rft.creator=Motaghedolhagh%2C+K&rft.creator=Mukherjee%2C+B&rft.creator=Wurdemann%2C+Helge&rft.description=Sensory+feedback+enhances+the+intuitive+operation+of+upper+limb+prostheses.+However%2C+most+modern+commercial+prosthetic+devices+lack+sensory+feedback+mechanisms+due+to+the+difficulty+of+integration+and+added+complexity.+Mechanotactile+haptic+feedback+provides+a+non-invasive+and+low-cost+alternative+to+traditional+electromechanical+haptic+feedback+modalities.+While+mechanotactile+haptic+feedback+systems+have+been+studied+for+their+mechanical+behaviour%2C+their+practical+integration+in+prosthetic+devices+and+associated+human+factors+still+remain+to+be+investigated.+Therefore%2C+in+this+paper%2C+we+perform+a+psychophysics+study+to+investigate+the+perceptual+thresholds+associated+with+a+mechanotactile+feedback+system.+We+use+a+mechanotactile+sensory+system+and+feedback+device+to+provide+force+feedback+on+the+forearm+of+healthy+volunteers.+We+systematically+assess+the+optimal+placement+of+the+feedback+devices+and+the+minimum+perceptible+forces+at+each+position.+We+found+that+the+minimum+perceptible+force+that+a+user+can+perceive+range+lies+in+the+range+of+0.39+N+to+1.36+N+at+various+points+on+the+forearm.+The+distal+forearm+was+found+to+have+higher+perception+sensitivity+compared+to+the+proximal+forearm.+Our+results+shed+light+on+the+perception+thresholds+achievable+with+mechanotactile+haptic+elements.+Results+also+indicate+that+proper+placement+and+site+selection+of+the+mechanotactile+feedback+elements+are+crucial+to+enhance+force+perception+accuracy.&rft.subject=Mechano-tactile+feedback%2C+psychophysical+measurement&rft.publisher=IEEE&rft.date=2025-06-01&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+International+Conference+on+Rehabilitation+Robotics+(ICORR).++(pp.+pp.+1-5).++IEEE+(2025)++++(In+press).++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10205838%2F1%2FPsychophysical_evaluation_of_Mechanotactile_Haptic_feedback_Devices.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10205838%2F&rft.rights=open