PHIL 120W Lecture Notes - Lecture 7: False Start, Crossmodal, Superior Colliculus
22 Dec 2016
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Fixation point is the pinhole; created sparks to illuminate the inside of the box to see letters; the after-image is much clearer where he chose to focus. Ocular and attentional focal points: we extract the most information where our attention is focused, not where our eyes are. 3 rows of letters and then the sound of high med or low pitch to repeat the corresponding line. Posner: developed a location cueing task or the posner task. Adults, children, people with deficits and simple versions of this task can be done by monkeys. Valid cue trial if it appears at the pointed area. Neutral cue: the cue is pointed at both sides. Invalid cue trial if it appears at a different area than pointed. Symbolic gaze cue: uses a face and the area the eye looks at is the cue. Valid cues help us determine things faster (head start) Invalid cue slows us down and makes us less accurate (false start)
