PubMed Journals Articles About "Hyperfunctioning Right Posterior Superior Temporal Sulcus Response Neutral" RSS

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Showing "Hyperfunctioning right posterior superior temporal sulcus response neutral" PubMed Articles 1–25 of 20,000+

Hyperfunctioning of the right posterior superior temporal sulcus in response to neutral facial expressions presents an endophenotype of schizophrenia.

Deficits in social cognition have been proposed as a marker of schizophrenia. Growing evidence suggests especially hyperfunctioning of the right posterior superior temporal sulcus (pSTS) in response to neutral social stimuli reflecting the neural correlates of social-cognitive impairments in schizophrenia. We characterized healthy participants according to schizotypy (n = 74) and the single-nucleotide polymorphism rs1344706 in ZNF804A (n = 73), as they represent risk variants for schizophrenia from ...

A special role for the right posterior superior temporal sulcus during speech production.

This fMRI study of 24 healthy human participants investigated whether any part of the auditory cortex was more responsive to self-generated speech sounds compared to hearing another person speak. The results demonstrate a double dissociation in two different parts of the auditory cortex. In the right posterior superior temporal sulcus (RpSTS), activation was higher during speech production than listening to auditory stimuli, whereas in bilateral superior temporal gyri (STG), activation was higher for listen...

Mapping the superficial morphology of the occipital lobe: proposal of a universal nomenclature for clinical and anatomical use.

The superficial anatomy of the occipital lobe has been described as irregular and highly complex. This notion mainly arises from the variability of the regional sulco-gyral architecture. Our aim was to investigate the prevalence, morphology, and correlative anatomy of the sulci and gyri of the occipital region in cadaveric specimens and to summarize the nomenclature used in the literature to describe these structures. To this end, 33 normal, adult, formalin-fixed hemispheres were studied. In addition, a rev...

Adaptive phonemic coding in the listening and speaking brain.

In order to determine the neural substrates of phonemic coding during both listening and speaking, we used a repetition suppression (RS) paradigm in which vowels were repeatedly perceived or produced while measuring BOLD activity with sparse sampling functional magnetic resonance imaging (fMRI). RS refers to the phenomenon that repeated stimuli or actions lead to decreased activity in specific neural populations associated with enhanced neural selectivity and information coding efficiency. Common suppressed...

A minimally invasive and safe surgical approach to resect anterior superior sulcus tumors.

Superior sulcus tumors (SSTs) are a wide range of tumors invading a section of the apical chest wall called the thoracic inlet. The unique characteristics of SSTs lie in the anatomy of the region where these tumors occur. For this reason, a surgical approach to treating these tumors is technically demanding, and complete resection may be difficult to accomplish.

F-Fluorocholine PET/CT in primary hyperparathyroidism: superior diagnostic performance to conventional scintigraphic imaging for localization of hyperfunctioning parathyroid glands.

Primary hyperparathyroidism (PHPT) is a common endocrine disorder, definitive treatment usually requiring surgical removal of the offending parathyroid glands. In order to perform focused surgical approaches, it is necessary to localize all hyperfunctioning glands. The aim of the study was to compare the efficiency of established conventional scintigraphic imaging modalities with emerging F-Fluorocholine PET/CT imaging in preoperative localization of hyperfunctioning parathyroid glands in a larger series of...

Auditory deviance detection in the human insula: An intracranial EEG study.

The human insula is known to be involved in auditory processing, but knowledge about its precise functional role and the underlying electrophysiology is limited. To assess its role in automatic auditory deviance detection we analyzed the EEG high frequency activity (HFA; 75-145 Hz) and ERPs from 90 intracranial insular channels across 16 patients undergoing pre-surgical intracranial monitoring for epilepsy treatment. Subjects passively listened to a stream of standard and deviant tones differing in four ph...

Periorbital Injection of Hyaluronic Acid Gel in Patients With Deep Superior Sulcus.

Hyaluronic acid gel (HAG) fillers provide a versatile and safe correction method for a sunken superior sulcus (SS) resulting from soft tissue volume loss occurring with aging, previous surgery, or enophthalmos related to trauma or phthisis bulbi. The purpose of this study was to report the long-term clinical outcomes of filler injection for soft-tissue augmentation in patients with a deep SS.

The noise-resilient brain: Resting-state oscillatory activity predicts words-in-noise recognition.

The role of neuronal oscillations in the processing of speech has recently come to prominence. Since resting-state (RS) brain activity has been shown to predict both task-related brain activation and behavioural performance, we set out to establish whether inter-individual differences in spectrally-resolved RS-MEG power are associated with variations in words-in-noise recognition in a sample of 88 participants made available by the Human Connectome Project. Positive associations with resilience to noise wer...

Adolescent Posterior-Superior Glenoid Labral Pathology: Does Involvement of the Biceps Anchor Make a Difference?

Adolescent athletes are at risk of sustaining an injury to the posterior and superior labrum of the glenoid. Limited information is available regarding the outcomes of surgical intervention in this specific age cohort.

Prognostic factors following complete resection of non-superior sulcus lung cancer invading the chest wall.

Locally advanced non-small-cell lung cancer (NSCLC) with chest wall invasion carries a high risk of recurrence and portends poor survival (30-40% and 20-50%, respectively). No studies have identified prognostic factors in patients who underwent R0 resection for non-superior sulcus NSCLC.

Right hemisphere ventral stream for emotional prosody identification: Evidence from acute stroke.

To determine whether right ventral stream and limbic structures (including posterior superior temporal gyrus [STG], STG, temporal pole, inferior frontal gyrus pars orbitalis, orbitofrontal cortex, amygdala, anterior cingulate, gyrus, and the sagittal stratum) are implicated in emotional prosody identification.

Large-scale plurimodal networks common to listening to, producing and reading word lists: an fMRI study combining task-induced activation and intrinsic connectivity in 144 right-handers.

We aimed at identifying plurimodal large-scale networks for producing, listening to and reading word lists based on the combined analyses of task-induced activation and resting-state intrinsic connectivity in 144 healthy right-handers. In the first step, we identified the regions in each hemisphere showing joint activation and joint asymmetry during the three tasks. In the left hemisphere, 14 homotopic regions of interest (hROIs) located in the left Rolandic sulcus, precentral gyrus, cingulate gyrus, cuneus...

Distinct neural mechanisms underlying conceptual knowledge of manner and instrument verbs.

Studies on the organization of conceptual knowledge have examined categories of concrete nouns extensively. Less is known about the neural basis of verb categories suggested by linguistic theories. We used functional MRI to examine the differences between manner verbs, which encode information about the manner of an action, versus instrument verbs, which encode information about an object as part of their meaning. Using both visual and verbal stimuli and a combination of whole brain univariate and multivari...

The ipsilateral interhemispheric transprecuneal approach: microsurgical anatomy, indications, and neurosurgical applications.

Surgical treatment of intraventricular lesions is challenging because of their deep location, vascularization, and their complex relationships with white matter fibers. The authors undertook this study to describe the microsurgical anatomy of the white matter fibers covering the lateral wall of the atrium and temporal horn and to demonstrate how the ipsilateral interhemispheric transprecuneal approach can be safely used to remove lesions of this region sparing the anatomo-functional integrity of the fibers ...

Functional Dissociations of the Left Anterior and Posterior Occipitotemporal Cortex for Semantic and Non-semantic Phonological Access.

Previous studies have identified the ventral and dorsal brain regions that respectively support semantic and non-semantic phonological access. Nevertheless, the specific role of the left occipitotemporal cortex (lOTC) in the two pathways of phonological access is ambiguous. To address that question, the present study compared word reading in Chinese (presumably relying on the semantic pathway) with that in English (presumably relying on the non-semantic pathway). Results revealed a clear dissociation in the...

Temporal tuning of repetition suppression across the visual cortex.

The visual system adapts to its recent history. A phenomenon related to this is repetition suppression (RS) - a reduction in neural responses to repeated compared to non-repeated visual input. An intriguing hypothesis is that the timescale over which RS occurs across the visual hierarchy is tuned to the temporal statistics of visual input features, which change rapidly in low-level areas but are more stable in higher-level areas. Here, we tested this hypothesis by studying the influence of the temporal lag ...

Anatomical variation of the pneumatized superior turbinate and its impact on endoscopic sinus surgery in chronic rhinosinusitis.

The posterior ethmoid sinus is adjacent to important structures, such as the orbit, optic nerve, skull base, and ostium of the sphenoid sinus. The purpose of this study was to examine the effect of pneumatization of the superior turbinate (ST) and its basal lamella, and of the position of the anterior wall of the sphenoid sinus, on opening of the posterior ethmoid and sphenoid sinuses.

Sublay repair for primary superior lumbar hernia with the Kugel patch.

A superior lumbar hernia is a posterior ventral hernia that is rarely encountered in the clinical setting. However, no standard operative strategy exists for superior lumbar hernia repair at present.

Olfactory sulcus morphology in teenagers with first-presentation borderline personality disorder.

Gray matter reduction of the orbitofrontal cortex (OFC) has been reported in borderline personality disorder (BPD), but it remains unknown whether the BPD patients exhibit morphologic changes of the olfactory sulcus, a potential marker of forebrain development located on the OFC. We used magnetic resonance imaging to investigate the length and depth of the olfactory sulcus in 20 teenagers (15 females and 5 males) with first-presentation BPD and 20 healthy controls (15 females and 5 males). While there was n...

Comparison of Spontaneous Temporal Bone Cerebrospinal Fluid Leaks From the Middle and Posterior Fossa.

To compare patients surgically managed for spontaneous cerebrospinal fluid (CSF) leaks of the temporal bone arising from the middle cranial fossa (MCF) and posterior cranial fossa (PCF) and to describe the surgical management of posterior fossa CSF leaks.

Electrocorticography reveals spatiotemporal neuronal activation patterns of verbal fluency in patients with epilepsy.

Verbal fluency is commonly used to evaluate cognitive dysfunction in a variety of neuropsychiatric diseases, yet the neurobiology underlying performance of this task is incompletely understood. Electrocorticography (ECoG) provides a unique opportunity to investigate temporal activation patterns during cognitive tasks with high spatial and temporal precision. We used ECoG to study high gamma activity (HGA) patterns in patients undergoing presurgical evaluation for intractable epilepsy as they completed an ov...

Association between superior semicircular canal dehiscence and other dehiscences in temporal bone.

The study of the association between superior semicircular canal and other dehiscences in the temporal bone.

Altered cortical morphology in patients with chronic shoulder pain.

Shoulder pain is a common condition associated with slow recovery and high recurrence rates. Persistent pain may lead to structural brain changes that may further promote pain chronification. The present study addressed whether abnormal changes in cortical surface structure exist in patients with chronic shoulder pain of myofascial origin and whether such changes would be related to pain measures. Brain structural MRIs were obtained in 22 patients with chronic pain in the bilateral upper trapezius muscles a...

The use of the orbitofrontal H-sulcus as a reference frame for value signals.

Understanding the factors that drive organization and function of the brain is an enduring question in neuroscience. Using functional magnetic resonance imaging (fMRI), structure and function have been mapped in primary sensory cortices based on knowledge of the organizational principles that likely drive a given region (e.g. aspects of visual form in primary visual cortex and sound frequency in primary auditory cortex) as well as knowledge of underlying cytoarchitecture. The organizing principles of higher...

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