Hearing and smell

5 problems

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Sound–touch synesthesia

For some people, sounds consistently evoke localized touch sensations. What creates that unusually strong link between hearing and touch?

Auditory scene analysis

We can follow one voice among many. How does attention organize overlapping sounds into sources we can track?

Odor-mixture perception

A blend can smell like its ingredients or like a new odor. What determines which percept emerges?

Salmon olfactory imprinting

A salmon learns stream odors as a juvenile and uses them years later when returning to spawn. How does that memory survive the replacement of sensory cells?

McGurk effect

Hearing “ba” while seeing lips form “ga” can sound like “da.” Does the brain average possible speech causes or select among them?