Results 31 to 40 of about 1,607 (175)

The Greenwood function shows close alignment with pitch perceived by cochlear implant patients with long, flexible electrode arrays and fine-structure stimulation [PDF]

Frontiers in Neuroscience
IntroductionThe natural, tonotopic frequency distribution of the inner ear is typically described by the Greenwood function, which logarithmically projects the audible frequency spectrum onto the intracochlear basilar membrane.
Andreas Büchner, Andreas Büchner, Tobias Weller, Tobias Weller, Richard T. Penninger, Luke Helpard, Hanif M. Ladak, Hanif M. Ladak, Hanif M. Ladak, Sumit Agrawal, Sumit Agrawal, Sumit Agrawal, Thomas Lenarz, Thomas Lenarz, Daniel Schurzig, Daniel Schurzig   +15 more
doaj   +2 more sources

Parvalbumin interneurons are essential for tonotopy strength in the auditory cortex

Science Bulletin
Tonotopy, the spatial organization of neurons based on their sound frequency responses, is a fundamental feature of the auditory pathway, extending from the cochlea to the auditory cortex. While excitatory neurons have been considered necessary for tonotopy in the cortex, the role of inhibitory interneurons remains unclear.
Xiaojing Tang, Zhikai Zhao, Longhui Li, Jie Tao, Yiheng Chen, Mahiber Polat, Zhiqi Yang, Zhe Wei, Shanshan Liang, Kuan Zhang, Xiang Liao, Hongbo Jia, Sunny C. Li, Xiaowei Chen   +13 more
openalex   +3 more sources

Is It Tonotopy after All? [PDF]

NeuroImage, 2002
In this functional MRI study the frequency-dependent localization of acoustically evoked BOLD responses within the human auditory cortex was investigated. A blocked design was employed, consisting of periods of tonal stimulation (random frequency modulations with center frequencies 0.25, 0.5, 4.0, and 8.0 kHz) and resting periods during which only the ...
Schönwiesner, M., von Cramon, D., Rübsamen, R.   +2 more
openaire   +3 more sources

The Wire Is Not the Territory: Understanding Representational Drift in Olfaction With Dynamical Systems Theory

Topics in Cognitive Science, EarlyView., 2023
Abstract Representational drift is a phenomenon of increasing interest in the cognitive and neural sciences. While investigations are ongoing for other sensory cortices, recent research has demonstrated the pervasiveness in which it occurs in the piriform cortex for olfaction.
Ann‐Sophie Barwich, Gabriel J. Severino   +1 more
wiley   +1 more source

Position Specific Alternative Splicing and Gene Expression Profiles Along the Tonotopic Axis of Chick Cochlea

Frontiers in Molecular Biosciences, 2021
Alternative splicing (AS) refers to the production of multiple mRNA isoforms from a single gene due to alternative selection of exons or splice sites during pre-mRNA splicing.
Heiyeun Koo, Heiyeun Koo, Jae Yeon Hwang, Sungbo Jung, Hyeyoung Park, Jinwoong Bok, Jinwoong Bok, Jinwoong Bok, Juw Won Park, Juw Won Park   +9 more
doaj   +1 more source

Non-invasive biophysical measurement of travelling waves in the insect inner ear [PDF]

Royal Society Open Science, 2017
Frequency analysis in the mammalian cochlea depends on the propagation of frequency information in the form of a travelling wave (TW) across tonotopically arranged auditory sensilla. TWs have been directly observed in the basilar papilla of birds and the
Fabio A. Sarria-S, Benedict D. Chivers, Carl D. Soulsbury, Fernando Montealegre-Z   +3 more
doaj   +1 more source

Imaging-based frequency mapping for cochlear implants – Evaluated using a daily randomized controlled trial

Frontiers in Neuroscience, 2023
BackgroundDue to variation in electrode design, insertion depth and cochlear morphology, patients with a cochlear implant (CI) often have to adapt to a substantial mismatch between the characteristic response frequencies of cochlear neurons and the ...
Lars Lambriks, Marc van Hoof, Joke Debruyne, Miranda Janssen, Miranda Janssen, Josef Chalupper, Kiki van der Heijden, Janny Hof, Katja Hellingman, Elke Devocht, Erwin George   +10 more
doaj   +1 more source

Abnormal auditory tonotopy in patients with schizophrenia [PDF]

npj Schizophrenia, 2019
AbstractAuditory hallucinations are among the most prevalent and most distressing symptoms of schizophrenia. Despite significant progress, it is still unclear whether auditory hallucinations arise from abnormalities in primary sensory processing or whether they represent failures of higher-order functions.
Doucet, Gaelle E., Luber, Maxwell J., Balchandani, Priti, Sommer, Iris E., Frangou, Sophia   +4 more
openaire   +3 more sources

Modeling the tonotopic map using a two-dimensional array of neural oscillators

Frontiers in Computational Neuroscience, 2022
We present a model of a tonotopic map known as the Oscillatory Tonotopic Self-Organizing Map (OTSOM). It is a 2-dimensional, self-organizing array of Hopf oscillators, capable of performing a Fourier-like decomposition of the input signal. While the rows
Dipayan Biswas, V. Srinivasa Chakravarthy, Asit Tarsode, Asit Tarsode   +3 more
doaj   +1 more source

Cochlear tonotopy from proteins to perception

BioEssays, 2023
AbstractA ubiquitous feature of the auditory organ in amniotes is the longitudinal mapping of neuronal characteristic frequencies (CFs), which increase exponentially with distance along the organ. The exponential tonotopic map reflects variation in hair cell properties according to cochlear location and is thought to stem from concentration gradients ...
openaire   +2 more sources