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Summary
Hypnosis did not improve facial recognition accuracy in susceptible individuals. Instead, hypnosis was associated with an increased rate of false positive identifications in this study.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Forensic Psychology
Background:
- Facial recognition is a critical cognitive function with implications for eyewitness testimony.
- The potential influence of altered states of consciousness, such as hypnosis, on memory recall and recognition remains an area of investigation.
Purpose of the Study:
- To investigate the effect of hypnosis on facial recognition accuracy.
- To determine if hypnotic suggestions can enhance the ability to recognize a previously seen target face.
Main Methods:
- A study involving 13 hypnotically susceptible participants who underwent a hypnotic induction procedure with specific facial recognition suggestions.
- A control group of 12 participants who did not receive hypnotic induction.
- Comparison of facial recognition accuracy between the hypnosis and control groups for a target face presented one week prior.
Main Results:
- No statistically significant improvement in facial recognition accuracy was observed in the hypnosis group compared to the control group.
- Evidence suggested that hypnosis may increase the likelihood of false positive identifications, where participants incorrectly identify a face as the target.
Conclusions:
- The findings do not support the hypothesis that hypnosis enhances facial recognition capabilities.
- Hypnosis may potentially impair the accuracy of facial recognition by increasing false positive errors.