Tag

Auditory Attention

All articles tagged with #auditory attention

science-tech1 month ago•9 min saved

Brain retains old voices for two seconds during rapid attention shifts

New research from Trinity College Dublin reveals that the brain does not instantly switch auditory attention between speakers. Instead, neural signals for the previous and new speaker overlap for one to two seconds, creating a smooth 'attention continuum' that aids communication in noisy environments. This finding, based on EEG data, suggests future hearing aids could dynamically track attention shifts rather than just amplifying frontal sounds.

via The Conversation|

#auditory-attention #cocktail-party-effect #eeg

science4 months ago•8 min saved

The Brain's Silent Gatekeeper Filters Negative Speech Before You Notice It

Hebrew University researchers show that when people focus on a visual task, their brain actively suppresses negative spoken words before conscious awareness, making neutral words more likely to be noticed; the effect persists across varying task difficulty and suggests an automatic gatekeeper that protects cognitive resources, with potential implications for anxiety disorders, phobias, and PTSD as future research investigates clinical differences.

via Neuroscience News|

#auditory-attention #cognitive-load #mental-health-implications

science7 months ago•9 min saved

Brain’s Gain Mechanism Sheds Light on Focusing in Crowded Rooms

MIT researchers show that a simple multiplicative gain—boosting neural units tied to a target voice’s pitch and location—can explain how people focus on one conversation in a noisy room, reproducing human behavior and errors; the model also reveals a horizontal advantage in spatial separation and could guide improvements for cochlear implants.

via Neuroscience News|

#auditory-attention #cochlear-implants #cocktail-party-problem