Good round-up of interesting cognitive sicence for presenters, including this gem:
The brain likes it just right
Kosslyn calls the principle that audience members have limited capacities for the retention of information the “Goldilocks Rule.” Communication is most effective when neither too little nor too much information is presented at any one time, he says. Audience members can only typically handle four “perceptual units” (a word, phrase, or picture) at a time says Kossyln. For example, an assertion sentence (1 unit) followed by two images and one phrase (four units total) is easier for an audience to grasp and retain than a slide filled with bullet points.
