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Study reveals the brain's secret to eavesdropping on two conversations at once
🇮🇪 Ireland /Health & Science

Study reveals the brain's secret to eavesdropping on two conversations at once

From Irish Times · () English

Translated from English, summarized and contextualized by DistantNews.

At a glance

News Named sources Context piece
  • Researchers have discovered that the brain can briefly follow two conversations simultaneously.
  • This ability challenges the long-held belief that humans can only focus on one speaker at a time.
  • The findings could lead to improved hearing technologies and a better understanding of attention-switching in the brain.

A new study from Trinity College Dublin reveals that humans possess a surprising eavesdropping skill: the ability to follow two conversations at once for brief periods. This finding challenges the long-standing assumption that our brains can only focus on a single speaker in a noisy environment.

The findings challenge the long-held view that we can only focus on one speaker at a time

— authorsDescribing the study's challenge to previous assumptions about auditory attention.

The research, published in PLOS Biology, used electrodes to measure brain activity as participants listened to two simultaneous conversations amidst background noise. Scientists observed that for a second or two, the brain can begin processing a new conversation without completely disengaging from the previous one. This "dual-tracking" ability suggests a more dynamic attention-switching mechanism than previously understood.

Our findings suggest that some people may naturally be better multitaskers than others, allowing them to better explore what’s happening around them without immediately losing focus on their current conversation

— Prof Giovanni Di LibertoExplaining the individual differences in the ability to track multiple conversations.

Professor Giovanni Di Liberto of the Trinity College Institute of Neuroscience noted that this capacity appears to vary among individuals. "Some people may naturally be better multitaskers than others, allowing them to better explore what’s happening around them without immediately losing focus on their current conversation," he stated. This could explain why some individuals navigate busy social settings more effectively.

This could help explain why some people seem especially good at navigating busy social environments.

— Prof Giovanni Di LibertoSuggesting a reason for better social navigation skills in some individuals.

Beyond shedding light on everyday social interactions, the study holds potential for technological advancements. Researchers believe these insights could inform the development of smarter hearing aids that assist users in managing complex sound environments more naturally. Furthermore, the work may deepen our understanding of why certain individuals, including older adults and those with hearing difficulties, find bustling places like restaurants and gatherings particularly draining.

It could also improve understanding of why some people, including older adults and those with hearing difficulties, find busy places such as restaurants, workplaces and family gatherings particularly exhausting

— research teamHighlighting potential applications of the research for understanding social fatigue.
DistantNews Editorial

Originally published by Irish Times in English. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.

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