Which of the following is a key advantage of direct cord recordings when monitoring during procedures?

The key advantage of direct cord recordings lies in their ability to produce higher amplitude waveforms. This results from the close proximity of the electrodes to the spinal cord, allowing for the capture of signals with greater signal strength and fidelity compared to other monitoring methods. High-amplitude signals help clinicians more easily distinguish relevant neurophysiological activity from background noise, thereby enhancing the accuracy and reliability of intraoperative monitoring.

This is particularly important during surgical procedures where maintaining neurological function is critical, as it allows for real-time feedback about the integrity of the spinal cord. In contrast to lower amplitude signals, which may be obscured by noise or other artifacts, the higher amplitude readings from direct recordings can provide more definitive data on neuronal health and functionality during surgery.