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| http://dx.doi.org/10.7874/jao.2018.00416 | DOI Listing |
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Alterations in brain activity and functional connectivity originating residual inhibition of tinnitus induced by tailor-made notched music training.
Hear Res
October 2024
School of Biomedical Engineering, Tsinghua University, Beijing, China; School of Medicine, Shanghai University, Shanghai, China. Electronic address:
Tinnitus arises from the intricate interplay of multiple, parallel but overlapping networks, involving neuroplastic changes in both auditory and non-auditory activity. Tailor-made notched music training (TMNMT) has emerged as a promising therapeutic approach for tinnitus. Residual inhibition (RI) represents one of the rare interventions capable of temporarily alleviating tinnitus, offering a valuable tool that can be applied to tinnitus research to explore underlying tinnitus mechanisms.
View Article and Find Full Text PDFClick Ordering Lateralization Test: Applicability and feasibility of a new paradigm for assessing sound lateralization behavior.
Int J Pediatr Otorhinolaryngol
January 2025
Department of Physical Therapy, Speech-Language Pathology and Occupational Therapy, Medical School, University of São Paulo, São Paulo, 05360-160, Brazil.
Objective: the present study aimed to investigate the applicability and feasibility of a new paradigm for assessing sound lateralization behavior.
Design: The Click Ordering Lateralization Test comprises two tracks (tracks 1 and 2), with 54 trials each. Each trial consists of one of nine intervals ranging from 0 to 230 ms between two noise bursts, whereby subjects must indicate on which side they first heard the noise.
Growing numbers of children and adults who are deaf are eligible to receive cochlear implants (CI), which provide access to everyday sound. CIs in both ears (bilateral CIs or BiCIs) are becoming standard of care in many countries. However, their effectiveness is limited because they do not adequately restore the acoustic cues essential for sound localization, particularly interaural time differences (ITDs) at low frequencies.
View Article and Find Full Text PDFBackground: Converging evidence from clinical neuroimaging and animal models has strongly implicated dysfunction of thalamocortical circuits in the pathophysiology of schizophrenia. Preclinical models of genetic risk for schizophrenia have shown reduced synaptic transmission from auditory thalamus to primary auditory cortex, which may represent a correlate of auditory disturbances such as hallucinations. Human neuroimaging studies, however, have found a generalized increase in resting state functional connectivity (RSFC) between whole thalamus and sensorimotor cortex in people with schizophrenia (PSZ).
View Article and Find Full Text PDFDavid Ferrier's second monkey ('monkey F'): The inaugural experimental studies of the auditory cortex.
J Hist Neurosci
January 2025
Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK.
The story of David Ferrier's demonstration at the International Medical Congress in London in August 1881 of a monkey experimentally rendered hemiplegic by a focal surgical brain lesion-prompting Charcot's observation, "C'est un malade!"-is well known as a seminal event in the history of the localization of functions in the cerebral cortex. Less well known is the fact that, on the same occasion, Ferrier demonstrated a second monkey, known as monkey F, apparently deaf as a consequence of bilateral temporo-sphenoidal brain lesions. The purpose of this article is, first, to give a chronological account of this demonstration and subsequent related events, including Ferrier's trial under the Vivisection Act, the publication of the pathological findings in the animal's brain, the dispute about the localization of the "auditory centre" with Edward Schäfer, and the first glimmerings of human homologues of cortical deafness.
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