Medical Definition of attention. 1 : the act or state of attending : the application of the mind to any object of sense or thought. 2 a : an organismic condition of selective awareness or perceptual receptivity specifically : the complex of neuromuscular adjustments that permit maximum excitability or responsiveness to a given class of stimuli.

the centre of attention. the thing or person that a lot of people notice: He likes telling jokes and being the centre of attention at parties. turn your attention (s) to sth/sb. to start to think about or consider a particular thing or person: Many countries are starting to turn their attention to new forms of energy.