PSYB51H3 Chapter 3: PSYB51 Chapter 3
Document Summary
If you can read a 20/20 letter you can discern detail that subtends 1 minute of arc. 0. 00024: minimum visible acuity refers to the smallest object that one can detect, the smallest letters than can be recognized. Columns and hypercolumns: receptive-field properties are not haphazardly spread throughout the striate cortex, neurons with similar orientations are arranged in columns, columns a vertical arrangement of neurons. If we want to know if people are smiling or frowning: low frequencies broad outlines. If we want to know how many people are in the scene. If one eye is not receiving normal stimulation, the neurons that should be detsined to respond to that eye do not become properly connected. If cataracts are not treated during the critical period, it usually leads to amblyopia a development disorder characterized by reduced spatial vision with proper correction for refractive error, also known as lazy eye.
