Read by QxMD icon Read

Stuttering stimulation

Pierpaolo Busan, Giovanni Del Ben, Simona Bernardini, Giulia Natarelli, Marco Bencich, Fabrizio Monti, Paolo Manganotti, Piero Paolo Battaglini
Motor balance in developmental stuttering (DS) was investigated with Transcranial Magnetic Stimulation (TMS), with the aim to define novel neural markers of persistent DS in adulthood. Eleven DS adult males were evaluated with TMS on tongue primary motor cortex, compared to 15 matched fluent speakers, in a "state" condition (i.e. stutterers vs. fluent speakers, no overt stuttering). Motor and silent period thresholds (SPT), recruitment curves, and silent period durations were acquired by recording tongue motor evoked potentials...
2016: PloS One
Kazuyoshi Shigehara, Mikio Namiki
Priapism is defined as a persistent and painful erection lasting longer than four hours without sexual stimulation. Based on episode history and pathophysiology, priapism is classified into three subtypes: ischemic (low-flow), non-ischemic (high-flow), and stuttering priapism. Ischemic priapism is characterized by a persistent, painful erection with remarkable rigidity of the corpora cavernosa caused by a disorder of venous blood outflow from this tissue mass, and is similar to penile compartment syndrome. Stuttering priapism is characterized by a self-limited, recurrent, and intermittent erection, frequently occurring in patients with sickle cell disease...
April 2016: World Journal of Men's Health
Maja Rogić Vidaković, Ana Jerković, Tomislav Jurić, Igor Vujović, Joško Šoda, Nikola Erceg, Andreja Bubić, Marina Zmajević Schönwald, Pantelis Lioumis, Dragan Gabelica, Zoran Đogaš
Transcranial magnetic stimulation studies have so far reported the results of mapping the primary motor cortex (M1) for hand and tongue muscles in stuttering disorder. This study was designed to evaluate the feasibility of repetitive navigated transcranial magnetic stimulation (rTMS) for locating the M1 for laryngeal muscle and premotor cortical area in the caudal opercular part of inferior frontal gyrus, corresponding to Broca's area in stuttering subjects by applying new methodology for mapping these motor speech areas...
April 29, 2016: Cognitive Processing
Adrian B Levine, Keith W MacDougall
BACKGROUND: Deep brain stimulation (DBS) of the ventrocaudalis nucleus of the thalamus is a last resort treatment for chronic refractory pain. DBS is generally a safe procedure, although it can result in functional disturbances depending on the site of stimulation. There has been 1 previous report of stuttering induced by microlesioning of the thalamus, as well as several reports of stuttering induced by stimulation of the thalamus and other related structures in the brain. CASE DESCRIPTION: We describe the case of a patient with trigeminal deafferentation face pain who was treated with DBS of the ventrocaudalis nucleus thalamus and developed a reversible stutter immediately on insertion of the electrode...
June 2016: World Neurosurgery
Jeannie D Lochhead, Michele A Nelson, Kathleen Lake, Renee Flick, Gerald A Maguire
No abstract text is available yet for this article.
February 2016: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
B Schwindl, T Bschleipfer, T Klotz
Priapism is characterized by involuntary persistent penile erection after or independent of sexual stimulation. The diagnostic clarification, including patient history, physical findings, duplex ultrasonography and analysis of blood gases is decisive for the underlying pathophysiology and the appropriate therapeutic procedure. Non-hypoxic and non-acidotic blood gas parameters enable a conservative approach, hypoxic, hypercarbic and acidotic parameters may lead to fibrosis of the corpora cavernosa and, in turn, to a loss of penile function...
November 2015: Der Urologe. Ausg. A
Rahsan Kemerdere, Nicolas Menjot de Champfleur, Jérémy Deverdun, Jérôme Cochereau, Sylvie Moritz-Gasser, Guillaume Herbet, Hugues Duffau
The neural correlates of stuttering are to date incompletely understood. Although the possible involvement of the basal ganglia, the cerebellum and certain parts of the cerebral cortex in this speech disorder has previously been reported, there are still not many studies investigating the role of white matter fibers in stuttering. Axonal stimulation during awake surgery provides a unique opportunity to study the functional role of structural connectivity. Here, our goal was to investigate the white matter tracts implicated in stuttering, by combining direct electrostimulation mapping and postoperative tractography imaging, with a special focus on the left frontal aslant tract...
January 2016: Journal of Neurology
Amr A Faddan, Alexey V Aksenov, Carsten M Naumann, Klaus P Jünemann, Daniar K Osmonov
INTRODUCTION: Priapism is the persistent erection resulting from dysfunction of the mechanisms that regulate penile swelling, stiffness, and sagging. It is a full or partial erection that persists for a period more than 4 hours beyond sexual stimulation and/or orgasm or is unrelated to sexual stimulation. Ischemic priapism should be managed in a step-by-step fashion. OBJECTIVE: To demonstrate step-by-step management of stuttering refractory ischemic priapism. We report a case of stuttering refractory ischemic priapism...
2015: Research and Reports in Urology
Nicole E Neef, Alfred Anwander, Angela D Friederici
Neuroimaging and transcranial magnetic stimulation provide insights into the neuronal mechanisms underlying speech disfluencies in chronic persistent stuttering. In the present paper, the goal is not to provide an exhaustive review of existing literature, but rather to highlight robust findings. We, therefore, conducted a meta-analysis of diffusion tensor imaging studies which have recently implicated disrupted white matter connectivity in stuttering. A reduction of fractional anisotropy in persistent stuttering has been reported at several different loci...
September 2015: Current Neurology and Neuroscience Reports
Narayana Manjunatha, Vivek Benegal
OBJECTIVES: Priapism, or prolonged penile erection in the absence of sexual stimulation, may be a medical emergency. Many medications including antianxiety, antidepressants and antipsychotics have been implicated. This paper presents a case of priapism associated with topiramate use. METHODS: This is a description of case report where topiramate was prescribed as anticraving medication in a patient with alcohol dependence. Episodic priapism developed soon after topiramate was prescribed...
November 2015: General Hospital Psychiatry
Verena Risch, Anja Staiger, Wolfram Ziegler, Katharina Ott, Theresa Schölderle, Olena Pelykh, Kai Bötzel
BACKGROUND: Globus pallidus internus deep brain stimulation (GPi-DBS) can be an effective treatment for primary dystonia. However, speech disorders have previously been reported as a common possible side effect of the treatment. OBJECTIVES: To study possible deterioration of speech after GPi-DBS and describe this in different dimensions. METHODS: Speech was systematically evaluated in 15 patients with predominant torticollis and GPi-DBS. Each patient was tested twice within one day in two stimulation conditions: ON-DBS vs...
September 2015: Brain Stimulation
A Kaminsky, H Sperling
Priapism is defined as an erection for more than 4 h without sexual stimulation. The most common form with nearly 95% is the ischemic or low-flow form, which is very painful. The other 5% are comprised of nonischemic high-flow type usually caused by a blunt perineal trauma and the recurrent or intermittent so-called stuttering priapism. Anamnesis as well as physical and laboratory examination are important during the diagnostic workup. Patients who suffer from sickle cell anemia are predestined to develop priapism...
May 2015: Der Urologe. Ausg. A
Kendra Pesko, Emily A Voigt, Adam Swick, Valerie J Morley, Collin Timm, John Yin, Paul E Turner
Gene order is often highly conserved within taxonomic groups, such that organisms with rearranged genomes tend to be less fit than wild type gene orders, and suggesting natural selection favors genome architectures that maximize fitness. But it is unclear whether rearranged genomes hinder adaptability: capacity to evolutionarily improve in a new environment. Negative-sense non-segmented RNA viruses (order Mononegavirales) have specific genome architecture: 3' UTR - core protein genes - envelope protein genes - RNA-dependent RNA-polymerase gene - 5' UTR...
2015: Frontiers in Genetics
Feng Yi, Elizabeth Catudio-Garrett, Robert Gábriel, Marta Wilhelm, Ferenc Erdelyi, Gabor Szabo, Karl Deisseroth, Josh Lawrence
Release of acetylcholine (ACh) in the hippocampus (HC) occurs during exploration, arousal, and learning. Although the medial septum-diagonal band of Broca (MS-DBB) is the major extrinsic source of cholinergic input to the HC, cholinergic neurons intrinsic to the HC also exist but remain poorly understood. Here, ChAT-tauGFP and ChAT-CRE/Rosa26YFP (ChAT-Rosa) mice were examined in HC. The HC of ChAT-tauGFP mice was densely innervated with GFP-positive axons, often accompanied by large GFP-positive structures, some of which were Neurotrace/DAPI-negative and likely represent large axon terminals...
2015: Frontiers in Synaptic Neuroscience
Nicole E Neef, T N Linh Hoang, Andreas Neef, Walter Paulus, Martin Sommer
The precise excitability regulation of neuronal circuits in the primary motor cortex is central to the successful and fluent production of speech. Our question was whether the involuntary execution of undesirable movements, e.g. stuttering, is linked to an insufficient excitability tuning of neural populations in the orofacial region of the primary motor cortex. We determined the speech-related time course of excitability modulation in the left and right primary motor tongue representation. Thirteen fluent speakers (four females, nine males; aged 23-44) and 13 adults who stutter (four females, nine males, aged 21-55) were asked to build verbs with the verbal prefix 'auf'...
March 2015: Brain: a Journal of Neurology
Eun-Joo Kim, Jin-Hong Shin, Jeong Hee Lee, Jong Hun Kim, Duk L Na, Yeon-Lim Suh, Sun Jae Hwang, Jae-Hyeok Lee, Young Min Lee, Myung-Jun Shin, Myung Jun Lee, Seong-Jang Kim, Uicheul Yoon, Do Youn Park, Dae Soo Jung, Jae Woo Ahn, Suk Sung, Gi Yeong Huh
We describe detailed clinical, biochemical, neuroimaging and neuropathological features in adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP), encompassing hereditary diffuse leukoencephalopathy with axonal spheroids (HDLS) and pigmentary orthochromatic leukodystrophy (POLD), linked to colony-stimulating factor 1 receptor (CSF1R) mutations in four Korean cases. Clinical, biochemical, neuroimaging and neuropathological findings were obtained by direct evaluation and from previous medical records...
February 15, 2015: Journal of the Neurological Sciences
Anna Craig-McQuaide, Harith Akram, Ludvic Zrinzo, Elina Tripoliti
Stuttering has been the subject of much research, nevertheless its etiology remains incompletely understood. This article presents a critical review of the literature on stuttering, with particular reference to the role of the basal ganglia (BG). Neuroimaging and lesion studies of developmental and acquired stuttering, as well as pharmacological and genetic studies are discussed. Evidence of structural and functional changes in the BG in those who stutter indicates that this motor speech disorder is due, at least in part, to abnormal BG cues for the initiation and termination of articulatory movements...
2014: Frontiers in Human Neuroscience
Helen R Levey, Robert L Segal, Trinity J Bivalacqua
Priapism is a prolonged erection that persists beyond or is unrelated to sexual stimulation. It is associated with significant morbidity: psychological, socioeconomic, and physical, including pain and potentially irreversible compromise of erectile function. There are three major types of priapism: ischemic, nonischemic, and stuttering. Establishing the type of priapism is paramount to safely and effectively treating these episodes. Ischemic priapism represents a urological emergency. Its treatment may involve aspiration/irrigation with sympathomimetic injections, surgical shunts, and as a last resort, penile prosthesis implantation...
December 2014: Therapeutic Advances in Urology
Takashi Tsuboi, Hirohisa Watanabe, Yasuhiro Tanaka, Reiko Ohdake, Noritaka Yoneyama, Kazuhiro Hara, Ryoichi Nakamura, Hazuki Watanabe, Jo Senda, Naoki Atsuta, Mizuki Ito, Masaaki Hirayama, Masahiko Yamamoto, Yasushi Fujimoto, Yasukazu Kajita, Toshihiko Wakabayashi, Gen Sobue
OBJECTIVES: To elucidate the phenotypes and pathophysiology of speech and voice disorders in Parkinson's disease (PD) with subthalamic nucleus deep brain stimulation (STN-DBS). METHODS: We conducted a cross-sectional study on 76 PD patients treated with bilateral STN-DBS (PD-DBS) and 33 medically treated PD patients (PD-Med). Speech and voice functions, electrode positions, motor function and cognitive function were comprehensively assessed. Moreover, speech and voice functions were compared between the on-stimulation and off-stimulation conditions in 42 PD-DBS patients...
August 2015: Journal of Neurology, Neurosurgery, and Psychiatry
Perminder S Sachdev, Adith Mohan, Elisabeth Cannon, John D Crawford, Paul Silberstein, Raymond Cook, Terrence Coyne, Peter A Silburn
BACKGROUND: We have previously reported the results of Deep Brain Stimulation (DBS) of the antero-medial globus pallidus interna (GPi) for severe Tourette Syndrome (TS) in 11 patients. We extend this case series to 17 patients and a longer follow-up to a maximum of 46 months. METHODS: 17 patients (14 male; mean age 29.1 years, range 17-51 years) with severe and medically intractable TS were implanted with Medtronic quadripolar electrodes bilaterally in the antero-medial GPi...
2014: PloS One
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"