First Stage: Sensory Memory. Psychology

Iconic Memory

• Visual sensory memory

• Afterimage/icon is held in neural form

• Lasts about % to 1Л second before being masked by new information

Eidetic Imagery: a rare condition of retaining visual memory for 30 secs. or more

Echoic Memory

  • Auditory form of sensory memory
  • Smaller capacity than iconic memory, but longer duration
  • Takes the form of an echo that lasts for 2 to 4 seconds.