Failing to remember what was said right before your own turn to speak, because mental resources were consumed by rehearsal.
Imagine you're in a circle and everyone is saying their name. Right before it's your turn, you're so busy thinking about saying YOUR name that you completely miss what the person right before you said. Your brain was too busy rehearsing to listen.
The Next-in-Line Effect describes a reliable memory gap that occurs in sequential turn-taking situations: people consistently fail to remember what was said or done by others in the moments just before their own turn to perform. This deficit extends roughly nine seconds before (and sometimes after) the performance window. The effect is robust across different types of material and group sizes, and is amplified by social anxiety, though it occurs even in low-anxiety individuals. Critically, the effect can be substantially reduced or even reversed simply by instructing people beforehand to pay deliberate attention to pre-performance events, confirming that it stems from how attention is allocated rather than from any permanent inability to process the information.
The same glitch looks different depending on the terrain. Finance, medicine, a relationship, a team — same mechanism, different costume.
In sequential earnings call presentations or investment committee round-tables, analysts who present after a colleague frequently miss or fail to integrate the immediately preceding analyst's data points, leading to redundant recommendations or overlooked risk factors.
During clinical shift handoffs or surgical team briefings conducted in turn-taking order, practitioners awaiting their turn to report may fail to encode critical patient information shared by the immediately preceding speaker, creating dangerous gaps in continuity of care.
Malcolm Brenner, 1973. Published in the Journal of Verbal Learning and Verbal Behavior. Further key work by Charles F. Bond Jr. in 1985 established the encoding-deficit mechanism.
In ancestral environments, preparing to perform a socially visible action—such as speaking before a group or demonstrating a skill—carried real reputational stakes. Diverting cognitive resources toward preparation and self-monitoring before a public act would have increased performance quality and reduced the risk of social humiliation or status loss, even at the cost of missing some environmental input.
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