SOCIOL 161 Lecture Notes - Lecture 4: Echoic Memory, Psychoacoustics, Sensory Memory
Document Summary
Regardless of brightness of pre-field and post-field. Performance declined as the length of the delay of the indicator tone increased. Brightness of pre-field and post-field affected how. When pre-field and post-field are bright, performance declined very rapidly - by half-second delay, performance was no better than with whole- report method. When pre-field and post-field are dark, performance declined more slowly - it took 4 or 5 seconds to reach performance level found with whole-report method. An image immediately goes into a memory store called visual information storage (vis) Information is available to be reported through this process. Sperling says that scanning rate: 1 letter every 10ms. Either dark or noise made up of little scattered bits of letters. With dark pre-field, subjects could report an additional letter about every 10ms. With noise pre-field, there was an initial delay in scanning, but then they scanned a letter every 10ms. Lasts up to 3 or 4 seconds.
