3/25/19
True Need for Surveillance Imagery • To reconstruct a memory, the eyewitness draws upon several sources of information, only one being his or her actual recollection. To fill in gaps in memory, the eyewitness relies upon his or her expectation, attitudes, prejudices, bias, and prior knowledge . Furthermore, information supplied to an eyewitness after a crime • (i.e., post-event information) by the police, prosecutor, other eyewitnesses, media, etc., can alter an eyewitness’s memory of the crime.
Accuracy of eyewitness testimony: Is it all in our head? Andrew Porterfield | January 13, 2016 | Genetic Literacy Project
78% of the 1 st 130 73 % of the 1 st 230 DNA Cases Were Overturned Proving the Eyewitness Testimony Incorrect Ø Viewing conditions, duress, elevated emotions, and biases influence the visual perception experience. Ø Perceptual experiences are stored by a system of memory that is highly malleable and continuously evolving, neither retaining nor divulging content in an informational vacuum. Ø As such, the fidelity of our memories to actual events may be compromised by many factors at all stages of processing, from encoding to storage and retrieval.
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