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Updated: Aug 14, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
Published on: January 23, 2017
Interviewing former 1- and 2-year olds about medical emergencies 5 years later
Carole Peterson1, Brenda Parsons
1Psychology Department, Memorial University, St John's, Newfoundland, Canada, A1B 3X9. carole@mun.ca
Insights
Young children’s memory for stressful events varies by age. While most 2-year-olds remember trauma, 1-year-olds often don’t, or their memories are inaccurate, impacting forensic evaluations.
Area of Science:
- Developmental Psychology
- Childhood Memory Research
- Traumatic Event Recall
Background:
- Early childhood experiences significantly shape memory development.
- Understanding memory in very young children is crucial for legal and clinical contexts.
- Previous research highlights the challenges in assessing memory in toddlers.
Purpose of the Study:
- To investigate the long-term recall of traumatic events in children who experienced them at 1 or 2 years of age.
- To compare the quantity and quality of memory recall between former 1-year-olds and former 2-year-olds.
- To explore the forensic implications of early childhood memory.
Main Methods:
- Recruitment of children previously treated in an emergency room for serious injuries.
- Longitudinal follow-up study assessing memory recall five years after the initial event.
- Qualitative analysis of recalled event details, focusing on accuracy and source monitoring.
Main Results:
- The majority of former 1-year-olds reported no memory of the stressful events.
- Most former 2-year-olds demonstrated significant recall of the events.
- Former 1-year-olds who did recall events exhibited poor memory quality, including source confusion and event amalgamation.
Conclusions:
- Age is a critical factor in the ability to form and retain memories of traumatic events.
- Memory recall in early childhood, especially for 1-year-olds, can be unreliable and prone to distortions.
- Findings have significant implications for the use of young children's testimony in forensic settings.
Abstract:
Five years earlier, 1- and 2-year-old children who had been injured seriously enough to require hospital ER treatment had been recruited from the ER. For this study, as many of these children as could be found participated. The majority of former 1-year olds recalled nothing about these highly stressful events, whereas most former 2-year olds recalled a great deal. For those former 1-year olds who did recall the target events, quality of recall was problematic. In particular, they made considerable source confusions or intrusions into their accounts of details from other related events, producing an account that amalgamated various events into one recollection. Forensic implications are discussed.

