It is a * * * same psychological feature, accompanied by psychological processes such as perception, memory, thinking and imagination. Attention usually refers to selective attention, that is, attention is a tendency to selectively process some stimuli and ignore others. It is the direction and concentration of human feelings (vision, hearing, taste, etc.). ) and perception (consciousness, thinking, etc. ) acts on some objects at the same time (excluding other factors). When people pay attention to something, they are always feeling, remembering, thinking, imagining or experiencing something. People can't perceive many objects at the same time, only a few objects in the environment. In order to reflect things clearly, profoundly and completely, it is necessary to make psychological activities selectively point to related objects.