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Table 1 Summary of psycho-physiological measurements results

From: Psycho-physiological assessment of a prosthetic hand sensory feedback system based on an auditory display: a preliminary study

 

Visual

Auditory

AudioVisual

Description

 

feedback (VF)

feedback (VF)

feedback (VF)

 

NASA TLX

AF < VF

AF > AVF

VF > AVF

Higher perceived workload in VF modality followed very closely by the AF modality

Alpha Band

AF > VF*

AF > AVF

VF < AVF

Higher attentional demand in VF modality

Beta Band

AF < VF

AF < AVF

VF > AVF

Similar cognitive demand in all modalities.

HR

AF < VF

AF > AVF

VF > AVF**

Significantly higher Task difficulty and attentional demand in VF modality

HRV

AF > VF

AF > AVF

VF < AVF

No significant difference were found between modalities

SCL

AF < VF

AF < AVF

VF < AVF

No significant arousal during the tests

SCR

AF < VF

AF < AVF

VF < AVF

No significant arousal during the tests

Respiration Rate

AF > VF**

AF > AVF**

VF < AVF

Couldn’t be related to mental effort

  1. *significance at p < 0.05.
  2. **significance at p < 0.001.