PSYB65H3 Chapter Notes - Chapter 11: Hermann Von Helmholtz, Two-Streams Hypothesis, Focal And Diffuse Brain Injury
Document Summary
Attention and consciousness is studied together because attention can mediate conscious experience: your consciousness of the world is grated by attention. Studying attention: william james: attention doesn"t need definition but he identifies 2 basic features of attention, selection of sensory info from several simultaneously available inputs, they can be sensory but does not have to be b. It can be directed to internal mental processes b. i. To let some information to be processed while ignoring others. The shifting of attention can occur without adjusting sensory structures, ex: i can see the letter on my left corner without moving my eyes: selection of mental state, allowing either internal or external flow of info a. i. 1. a. i. 2. Reflexive attentions: shift occurs in response to external event. Hermann von helmholtz studied perception using walls in his laboratory (like those in the optometrist) he was able to identify the letter at the top right without moving his gaze.
