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Eur Arch Otorhinolaryngol
January 2025
Audio-vestibular Medicine unit, department of Ear, Nose and throat, Faculty of Medicine, Assiut University, Assiut, Egypt.
Background: Subjective tinnitus is characterized by perception of sound in the absence of any external or internal acoustic stimuli. Many approaches have been developed over the years to treat tinnitus (medical and nonmedical). However, no consensus has been reached on the optimal therapeutic approach.
View Article and Find Full Text PDFCogn Neurodyn
December 2025
Department of Psychology, Graduate School of Humanities, Kobe University, 1-1 Rokkodai- cho, Nada, Kobe, 657-8501 Japan.
Unlabelled: The integration of auditory and visual stimuli is essential for effective language processing and social perception. The present study aimed to elucidate the mechanisms underlying audio-visual (A-V) integration by investigating the temporal dynamics of multisensory regions in the human brain. Specifically, we evaluated inter-trial coherence (ITC), a neural index indicative of phase resetting, through scalp electroencephalography (EEG) while participants performed a temporal-order judgment task that involved auditory (beep, A) and visual (flash, V) stimuli.
View Article and Find Full Text PDFClin Psychopharmacol Neurosci
February 2025
Department of Psychiatry, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India.
Auditory/visual hallucinations and perceptual anomalies are one of the core symptoms experienced by patients with schizophrenia. Studies have implicated lateral occipital cortex (LOC) as one of the areas to be aberrantly functioning in schizophrenia, possibly associated with the auditory/visual symptoms of schizophrenia. Here we report of a case of a 29-year-old female diagnosed with treatment resistant schizophrenia on clozapine with persistent auditory verbal hallucinations (AVH) and visual anomalies.
View Article and Find Full Text PDFeNeuro
January 2025
Paris-Lodron-University of Salzburg, Department of Psychology, Centre for Cognitive Neuroscience, Salzburg, Austria
Observing lip movements of a speaker facilitates speech understanding, especially in challenging listening situations. Converging evidence from neuroscientific studies shows stronger neural responses to audiovisual stimuli compared to audio-only stimuli. However, the interindividual variability of this contribution of lip movement information and its consequences on behavior are unknown.
View Article and Find Full Text PDFJ Neurophysiol
January 2025
Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6 Canada.
The loss of a sensory modality triggers a phenomenon known as cross-modal plasticity, where areas of the brain responsible for the lost sensory modality are reorganized and repurposed to the benefit of the remaining modalities. After perinatal or congenital deafness, superior visual motion detection abilities have been psychophysically identified in both humans and cats, and this advantage has been causally demonstrated to be mediated by reorganized auditory cortex. In our study, we investigated visually evoked potentials (VEPs) in response to motion-onset stimuli of varying speeds in both hearing and perinatally deafened cats under light anesthesia.
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