Power of Mental Imagery

"Another writes: 'There is no sound in connection with any image. In remembering, I call up an incident and gradually fill out the details. I can very seldom recall how anything sounds. One sound from the play "Robespierre," by Henry Irving, which I heard about two years ago and which I could recall some time afterward, I have been unable to recall this fall, though I have tried to do so. I can see the scene quite perfectly, the position of the actors and stage setting, even the action of a player who brought out the sound.'

"Quite a large proportion of persons find it impossible to imagine motion at all. As they think of a football game, all the players are standing stock-still; they are as they are represented in a photograph. They are in the act of running, but no motion is re