Bibliographic Details
| Title: |
The PiNe box: Development and validation of an electronic device to time-lock multimodal responses to sensory stimuli in hospitalised infants. |
| Authors: |
Worley, Alan1 (AUTHOR), Pillay, Kirubin2 (AUTHOR), Cobo, Maria M.2 (AUTHOR), Mellado, Gabriela Schmidt2 (AUTHOR), van der Vaart, Marianne2 (AUTHOR), Bhatt, Aomesh2 (AUTHOR), Hartley, Caroline2 (AUTHOR) caroline.hartley@paediatrics.ox.ac.uk |
| Source: |
PLoS ONE. 7/13/2023, Vol. 18 Issue 7, p1-13. 13p. |
| Subject Terms: |
*ELECTRONIC equipment, *NEURAL development, *INFANTS, *HOSPITAL supplies, *AUDITORY perception |
| Abstract: |
Recording multimodal responses to sensory stimuli in infants provides an integrative approach to investigate the developing nervous system. Accurate time-locking across modalities is essential to ensure that responses are interpreted correctly, and could also improve clinical care, for example, by facilitating automatic and objective multimodal pain assessment. Here we develop and assess a system to time-lock stimuli (including clinically-required heel lances and experimental visual, auditory and tactile stimuli) to electrophysiological research recordings and data recorded directly from a hospitalised infant's vital signs monitor. The electronic device presented here (that we have called 'the PiNe box') integrates a previously developed system to time-lock stimuli to electrophysiological recordings and can simultaneously time-lock the stimuli to recordings from hospital vital signs monitors with an average precision of 105 ms (standard deviation: 19 ms), which is sufficient for the analysis of changes in vital signs. Our method permits reliable and precise synchronisation of data recordings from equipment with legacy ports such as TTL (transistor-transistor logic) and RS-232, and patient-connected networkable devices, is easy to implement, flexible and inexpensive. Unlike current all-in-one systems, it enables existing hospital equipment to be easily used and could be used for patients of any age. We demonstrate the utility of the system in infants using visual and noxious (clinically-required heel lance) stimuli as representative examples. [ABSTRACT FROM AUTHOR] |
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