Everyone knows what attention is.It is the taking possession of the mind,in clear and vivid form,of one out of what seem several simultaneously possible objects or trains of thought. Focalization,concentration 美国心理学家 of consciousness are of its William James (1890) essence. “同时出现的物体或想法其中之一” Everyone knows what attention is. It is the taking possession of the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought. Focalization, concentration of consciousness are of its essence。 美国心理学家 William James（1890） “同时出现的物体或想法其中之一” 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优 南医大爱课课件王优