stimulation
n. C / Un. the act of making something more active or excited. You might need this to stay awake or to help a part of your body work better.
n. the action of arousing or increasing activity in a physical or mental system. Often refers to the physiological response of a nerve or organ to an external stimulus.
The baby needs constant mental stimulation to stay happy.
Caffeine provides a temporary burst of stimulation to the central nervous system, helping people stay alert during long shifts.
The research suggests that early sensory stimulation is critical for the healthy development of neural pathways in the infant brain, particularly in the visual and auditory cortexes.
From Latin stimulātiō. Morphologically stimulate + -ion.
Uncountable when referring to the general process of being stimulated; countable when referring to specific instances or methods of arousal.