Research

Pitch perception is why we don't monkey around with sound, study finds

 

perception

©GlobalP - iStock

New US brain research has shown that humans are more sensitive to pitch differences in sound than certain apes, suggesting possible links between the musicality of human speech and our evolutionary development.

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Quito, the mapping of a noise inferno

 

noise

©Jacob Grundhofer - iStock

Noise levels in the Ecuadorian capital, Quito, have been mapped by students from the private Universidad de Las Américas (UDLA), revealing many areas with day and night levels way above limits recommended by the World Health Organisation (WHO).

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Will listening in noise be solved by this "brain-reading" hearing aid?

 

intelligibility

©Zuckerman Institute

The long-unsolved "cocktail party" problem of how to listen to a specific speaker in noisy surroundings may have a neuroengineered solution: a brain-controlled AI hearing aid developed in a Columbia University lab.

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The blind bit of difference in the sharper hearing of the visually-impaired

 

Brain

Chocolate
© Ogdum - iStock

The greater hearing acuity of blind people is a mystery that science is closer to understanding thanks to two newly published studies led by the University of Washington (UW).

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Lower hearing loss in chocolate eaters, but no sweet news for tinnitus sufferers

Prevention

Chocolate
© Gilles Vallée

A possible otoprotective effect from one of our favourite foodstuffs has been highlighted by the results of the first large cohort study of the effect of chocolate on hearing loss in middle-aged people.

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Affordable app-based hearing aid can benefit poor children in India

App

smartphone
© UTSAAH Lab, CPDM, IISc.

An Indian Institute of Science (IISc) study has produced an economical prototype for a phone-based hearing aid complete with therapy, aimed at helping children with hearing loss.

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Positives emerge from magnetic stimulation in Finnish tinnitus trials

Tinnitus

Man suffers from tinnitus
© Snaptitude-Fotolia

Finnish researchers from Turku University Hospital have seen promise in a new tinnitus approach, after 10 out of 13 patients observed an average 39 to 45 percent decrease in their symptoms from receiving magnetic stimulation.

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Are patients with psoriatic arthritis at risk for hearing loss?

comorbidity

Psoriasis
© Nick Youngson CC BY-SA 3.0 Alpha Stock Images

A first-ever multicentred study to evaluate hearing in psoriatic arthritis (PsA) suggests clinicians should be aware that patients with this skin condition may be at risk of developing hearing loss.

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Auditory nerve implant research wins $9.7m US health grant

ANI

© Philol - Fotolia

A sizeable research grant from the US National Institutes for Health (NIH) has set up the University of Minnesota to lead a global project into developing a different kind of implant to the cochlear variety, one that can restore normal hearing.

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Under-50s with hearing loss more likely to misuse alcohol and drugs, research finds

Survey

© Just Marti - Flickr

A statistical analysis by US researchers has turned up a strikingly higher likelihood of alcohol and drug abuse in under-50-year-olds with hearing loss versus their normal hearing counterparts.

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