@misc{10481/77613,
year = {2022},
month = {9},
url = {https://hdl.handle.net/10481/77613},
abstract = {Ocular physiology is sensitive to cognitively demanding tasks. However, it is unknown whether the intraocular
pressure is also affected by the cognitive demands of military operations. The main objective was to determine
the impact of a virtual reality shooting simulation with two levels of complexity on intraocular pressure levels in
military personnel. Eighteen active-duty members of the Spanish Army and eighteen civilians performed two 4
min simulated shooting tasks with two levels of complexity using a virtual reality. In the “easy” task participants
performed a simulated shoot when the stimulus (military with a rifle) appeared, while in the “difficult” task the
stimulus randomly was a military with a rifle or with his hands on the air and participants were instructed to
respond only when the military with a rifle appeared. Intraocular pressure was measured with a rebound
tonometer before and immediately after each task. Complementarily, perceived levels of mental load and
shooting performance (reaction time) were assessed. Intraocular pressure was greater after completing the more
complex task in both military personnel (p-value < 0.01, Cohen´s d = 1.19) and civilians (p-value < 0.01, Cohen´s
d = 1.16). Also, perceived levels of task load and reaction time were higher in the difficult compared to the easy
shooting tasks (both p < 0.001). The rise in intraocular pressure is positively associated with the cognitive
demands of simulated military operations. The potential application of this finding is the development of
objective tools based on intraocular pressure for the evaluation of the mental state in real-world contexts,
permitting to improve soldiers´safety and performance.},
organization = {CEMIX (Centro Mixto UGR-MADOC, Army of Spain)	5/4/20 TR-COMBATE},
publisher = {Elsevier},
keywords = {Neuroergonomics},
keywords = {Vision},
keywords = {Military personnel},
title = {Intraocular pressure responses to a virtual reality shooting simulation in active-duty members of the Spanish Army: The influence of task complexity},
doi = {10.1016/j.physbeh.2022.113957},
author = {Vera Vílchez, Jesús and Miras Moreno, Sergio and Pérez Castilla, Alejandro and Jiménez Rodríguez, Raimundo and Redondo Cabrera, Beatriz and García Ramos, Amador},
}