In this field, "alerting" refers to the state of arousal or readiness to respond to a stimulus. It is often studied as one of the three primary attentional networks (alongside orienting and executive control).
: A meta-analysis published on PMC exploring how light characteristics and timing influence human alertness. alerting
: An article in Frontiers in Psychology examining how the alerting system interacts with memory and sensory inputs. In this field, "alerting" refers to the state