Spectacular Content Presentation Tips - The Human Communication Factor

According to Dr. Graham Cooper of the University of New South Wales, Cognitive Scientist School of Education Studies, the working memory of the human mind has limited capacity and defined duration. It is much like the RAM in a computer. Working memory stores information for a short period of time and quickly disposes of any bits of data that are not used or are not required.

Working Memory Overload is Quite Common

It is very easy to overwhelm the working memory of your audience. This is particularly true when the information that is presented is new or complex. This concept is called cognitive overload.

FMRI, or Functional Magnetic Residence Imaging, scans of the brain reveal information that is quite contradictory to what would seem the logical result of cognitive overload. It appears that instead of brain activity increasing to counteract the overload, the exact opposite takes place. The brain activity is actually reduced when capacity is surpassed. The brain is put to sleep by long, boring, or extremely complex information.

Channels of Working Memory

Working memory has two channels. These are the auditory and the visual channels. Each channel is limited in the capacity of information that it can handle. Although it is not obvious, on screen text utilizes both channels. The text is read and therefore occupies the visual channel. Text is also sounded out in the mind, thus occupying the auditory channel. By presenting text and speaking simultaneously, the presenter can overload the auditory channel. By understanding this concept, the presenter can use this insight and apply it to structuring and delivering his presentation in a more effective way.

How to Modify Visual Presentation

There are a number of modifications that can be made to the visual portion of a presenter's demonstration to improve the persuasiveness of the presentation.

• It is highly recommended that you increase the variety of visuals presented. However, you should simplify and decrease the amount of material that is on each screen.
• Remove complicated numerical or text-intensive graphics. They will be of very little or no value at all. When the audience can not easily handle these visuals the results are negative. People either completely ignore the visuals or become frustrated.
• Reduce the number of bullet points that you use. This may seem to be a great way to keep yourself on track during your presentation, but a large number of bullet points do not have positive results for the audience.

Anytime you show a block of text, such as a quotation, the human brain requires a significant pause before moving forward with the verbal presentation.

While the changes we've discussed that can be made to a presentation may seem subtle, the results will be far from subtle. These seemingly minor modifications can make a world of difference in the measurable results of your presentations quickly. Each principle that is applied will have significant effects on the results of the presentation.

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