C6: Eyewitness Testimony and Memory Construction

Memory Construction

  • Construction: the formulation of new memories.

  • Reconstruction: the process of bringing up old memories.

  • It becomes flexible and can be altered.

  • Can lead to inaccuracies and distortions, often without us intending to distort the facts.

Problem of Suggestibility

  • Suggestibility: the effects of misinformation from external sources that lead to the creation of false memories.

  • Our memory is so fragile that we can be easily and often accidentally misled.

  • Memory is not a video recording

  • It is reconstructive

  • Can be distorted or influenced

Eyewitness Misidentification

  • Identifying the wrong person as the perpetrator.

  • Confidence =/= accuracy.

Why Misidentification Happens

  • Stress / Fear during event

Real-Life Impact

  • Leads to wrongful convictions.

  • Many cases later proven by DNA evidence.

Misinformation Effect

  • Memory is altered by new information after the event.

  • New information changes old memory.

How Misinformation Happens

  • Leading suggestions

Steps to Reduce False Memories in Practice