behavioral and cognitive process of selectively concentrating on a discrete aspect of information, whether deemed subjective or objective, while ignoring other perceivable information

Attention is the behavioral and cognitive process of concentrating on a specific piece of information.[1] Attention has also been described as the allocation of limited cognitive processing resources.[2]


  1. James W (1890). The Principles of Psychology. 1. New York: Henry Holt. pp. 403–404.
  2. Anderson JR (2004). Cognitive Psychology and Its Implications (6th ed.). Worth Publishers. p. 519. ISBN 978-0-7167-0110-1.