Hearing

Recent articles

Research image of a Pacinian corpuscle in a mouse.

Touch sensors detect subtle environmental vibrations, send information to auditory midbrain

Pacinian corpuscles sense high-frequency vibrations from meters away and send the information to a different circuit than other touch signals, according to a pair of new studies.

By Calli McMurray
20 August 2024 | 8 min read
Closeup photograph of an infant lying in a bassinet under white sheets with their left hand lifted close to their ear.
Spectrum Microphone

New technique details brainstem’s response to sounds

By revealing differences between autistic and non-autistic children, it could help identify autism in babies.

By Maaisha Osman
4 April 2023 | 4 min read
Single astrocyte on black background.

Mouse studies cast astrocytes as stars of sensory perception

Data from two separate research teams suggest the cells are key to sensory hypersensitivity in fragile X syndrome.

By Sarah DeWeerdt
13 November 2022 | 4 min read
Dr. Edgar helps the participant prepare for the magnetoencephalography (MEG) exam.
Spectrum Microphone

Auditory cortex may develop early in autism

A well-studied brain response to sound appears earlier than usual in young children with autism.

By Nora Bradford
16 September 2022 | 3 min read
Spectrum Microphone

Top autism candidate gene tied to newly identified syndrome

Mutations in the autism-linked gene PAX5 underlie a range of traits, including developmental delay, intellectual disability, seizures and autism.

By Peter Hess
17 February 2022 | 4 min read
grid of 12 views of mouse neurons.
Spectrum Microphone

Loss of autism-linked gene alters synapse development in mice

Mice missing a copy of the gene ASH1L have excess synapses and autism-like behavioral differences, some of which are reversed by boosting an ASH1L-regulated gene.

By Laura Dattaro
25 January 2022 | 4 min read
Person itching back of neck.

Sensory issues linked to heart-rate differences in autistic youth

Autistic children with sensory issues show more intense physiological reactions to unpleasant sounds and other sensations than their non-autistic peers do, a new study shows.

By Peter Hess
5 April 2021 | 4 min read
Mouse with her pup

Malfunctioning neurons mute sound processing in mouse model of Rett syndrome

Female mice missing a copy of the autism-linked gene MECP2 in a specific set of inhibitory neurons have a hard time heeding pups’ calls and herding litters.

By Peter Hess
14 January 2021 | 3 min read
Infant in hospital blankets undergoes a hearing test.

Infant hearing test might be sound predictor of autism

Babies who are later diagnosed with autism have a sluggish brain response to sound on a universal newborn hearing screen.

By Taylor White
3 December 2020 | 4 min read
Toddler vocalizing next to parent.

Autistic toddlers do not tune in to sounds with others

Unlike typical toddlers, those with autism tend not to share experiences involving sound — dancing to music with their parents, for example, or calling attention to the source of a sound.

By Peter Hess
2 October 2020 | 5 min read

Explore more from The Transmitter

Research image of brain scans showing the structural integrity of white-matter tracts.

Repeat scans reveal brain changes that precede childbirth

A detailed look at a “pregnant brain” highlights a need to investigate the neural alterations that occur during a transition experienced by nearly 140 million people worldwide each year.

By Shaena Montanari
16 September 2024 | 8 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

Reconstructing dopamine’s link to reward

The field is grappling with whether to modify the long-standing theory of reward prediction error—or abandon it entirely.

By Angie Voyles Askham
13 September 2024 | 18 min read
Illustration of cranes attempting to assemble a structure out of very small black squares.

Dopamine and the need for alternative theories

Some experimental findings are inconsistent with the dominant model of reward prediction error, highlighting the need for alternative testable and falsifiable models for dopamine function.

By Vijay Mohan K. Namboodiri
13 September 2024 | 7 min read