Read by QxMD icon Read

midbrain rehabilitation

Sung Ho Jang, Chul Hoon Chang, Young Jin Jung, You Sung Seo
RATIONALE: We report on a stroke patient who showed restoration of discontinued corticoreticular pathways (CRPs) on serial diffusion tensor tractography (DTT) concurrent with recovery of gait disturbance following shunt operation for hydrocephalus. PATIENT CONCERNS: A 67-year-old female patient underwent stereotactic drainage for management of intraventricular hemorrhage due to a rupture of the left posterior communicating artery. DIAGNOSES: After 4 weeks from onset, the patient exhibited quadriparesis with more severe weakness in the proximal muscles and could not even stand or walk...
January 2018: Medicine (Baltimore)
Naohiko Okabe, Naoyuki Himi, Emi Maruyama-Nakamura, Norito Hayashi, Kazuhiko Narita, Osamu Miyamoto
Task-specific rehabilitative training is commonly used for chronic stroke patients. Axonal remodeling is believed to be one mechanism underlying rehabilitation-induced functional recovery, and significant roles of the corticospinal pathway have previously been demonstrated. Brainstem-spinal pathways, as well as the corticospinal tract, have been suggested to contribute to skilled motor function and functional recovery after brain injury. However, whether axonal remodeling in the brainstem-spinal pathways is a critical component for rehabilitation-induced functional recovery is not known...
2017: PloS One
Sungho Jang, Soyoung Kwak
The pyramidal tract (PT) is a major neural tract that controls voluntary movements in the human brain. The PT has several collateral pathways, including the aberrant pyramidal tract (APT), which passes through the medial lemniscus location at the midbrain and pons. Diffusion tensor tractography (DTT) allows visualization and estimation of the APT in three dimensions. In this mini-review, eight DTT studies on the APT were reviewed. Two studies for normal subjects reported the prevalence (17-18% of hemispheres) and the different characteristics (different cortical origin, less directionality, and fewer neural fibers) of the APT compared with the PT...
2017: Frontiers in Neurology
Irina Schierholz, Mareike Finke, Andrej Kral, Andreas Büchner, Stefan Rach, Thomas Lenarz, Reinhard Dengler, Pascale Sandmann
There is substantial variability in speech recognition ability across patients with cochlear implants (CIs), auditory brainstem implants (ABIs), and auditory midbrain implants (AMIs). To better understand how this variability is related to central processing differences, the current electroencephalography (EEG) study compared hearing abilities and auditory-cortex activation in patients with electrical stimulation at different sites of the auditory pathway. Three different groups of patients with auditory implants (Hannover Medical School; ABI: n = 6, CI: n = 6; AMI: n = 2) performed a speeded response task and a speech recognition test with auditory, visual, and audio-visual stimuli...
January 28, 2017: Human Brain Mapping
Daniel Hammersley, Ankur Arora, Madhava Dissanayake, Nabarun Sengupta
An 81-year-old man underwent cardiac catheterisation to investigate breathlessness and left ventricular impairment of unknown cause. He had unobstructed coronary arteries. Immediately following the procedure, he became suddenly unresponsive with vertical gaze palsy, anisocoria and bilateral upgoing plantar responses. He made a rapid recovery to his premorbid state 25 min later with no residual focal neurological signs. He then had multiple unresponsive episodes, interspaced with complete resolution of symptoms and neurological signs...
January 2, 2017: BMJ Case Reports
David Drijkoningen, Inge Leunissen, Karen Caeyenberghs, Wouter Hoogkamer, Stefan Sunaert, Jacques Duysens, Stephan P Swinnen
Many patients with traumatic brain injury (TBI) suffer from postural control impairments that can profoundly affect daily life. The cerebellum and brain stem are crucial for the neural control of posture and have been shown to be vulnerable to primary and secondary structural consequences of TBI. The aim of this study was to investigate whether morphometric differences in the brain stem and cerebellum can account for impairments in static and dynamic postural control in TBI. TBI patients (n = 18) and healthy controls (n = 30) completed three challenging postural control tasks on the EquiTest® system (Neurocom)...
December 2015: Human Brain Mapping
M Cornelia Stoeckel, Roland W Esser, Matthias Gamer, Christian Büchel, Andreas von Leupoldt
Dyspnea is a prevalent and threatening cardinal symptom in many diseases including asthma. Whether patients suffering from dyspnea show habituation or sensitization toward repeated experiences of dyspnea is relevant for both quality of life and treatment success. Understanding the mechanisms, including the underlying brain activation patterns, that determine the dynamics of dyspnea perception seems crucial for the improvement of treatment and rehabilitation. Toward this aim, we investigated the interplay between short-term changes of dyspnea perception and changes of related brain activation...
2015: Frontiers in Psychology
Georg Berding, Florian Wilke, Thilo Rode, Cathleen Haense, Gert Joseph, Geerd J Meyer, Martin Mamach, Minoo Lenarz, Lilli Geworski, Frank M Bengel, Thomas Lenarz, Hubert H Lim
Considerable progress has been made in the treatment of hearing loss with auditory implants. However, there are still many implanted patients that experience hearing deficiencies, such as limited speech understanding or vanishing perception with continuous stimulation (i.e., abnormal loudness adaptation). The present study aims to identify specific patterns of cerebral cortex activity involved with such deficiencies. We performed O-15-water positron emission tomography (PET) in patients implanted with electrodes within the cochlea, brainstem, or midbrain to investigate the pattern of cortical activation in response to speech or continuous multi-tone stimuli directly inputted into the implant processor that then delivered electrical patterns through those electrodes...
2015: PloS One
Rajendra Singh Jain, Sunil Kumar, Rakesh Agarwal, Pankaj Kumar Gupta
Heat stroke is common in tropical country like India especially during the summer season. We report an unusual case of acute vertebrobasilar territory infarcts due to heat stroke. A middle-aged man developed hyperpyrexia (42.2°C) after strenuous fieldwork in a hot summer day. Next morning, he was found in altered sensorium. The brain imaging showed acute posteromedial midbrain and cerebellar infarcts. A diagnosis of acute ischemic stroke due to heat stroke was made, and the patient was put under the intensive care unit...
June 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Afsaneh Zarghi, Alireza Zali, Mehdi Tehranidost
A variety of nervous system components such as medulla, pons, midbrain, cerebellum, basal ganglia, parietal, frontal and occipital lobes have role in Eye Movement Desensitization and Reprocessing (EMDR) processes. The eye movement is done simultaneously for attracting client's attention to an external stimulus while concentrating on a certain internal subject. Eye movement guided by therapist is the most common attention stimulus. The role of eye movement has been documented previously in relation with cognitive processing mechanisms...
2013: Basic and Clinical Neuroscience
Sayaka Chuganji, Jiro Nakano, Yuki Sekino, Yohei Hamaue, Junya Sakamoto, Minoru Okita
Cast immobilization of limbs causes hyperalgesia, which is a decline of the threshold of mechanical and thermal mechanical stimuli. The immobilization-induced hyperalgesia (IIH) can disturb rehabilitation and activities of daily living in patients with orthopedic disorders. However, it is unclear what therapeutic and preventive approaches can be used to alleviate IIH. Exercise that activates the descending pain modulatory system may be effective for IIH. The purpose of this study was to investigate the effects of treadmill exercise during the immobilization period, using the non-immobilized limbs, on IIH...
January 1, 2015: Neuroscience Letters
Jennie Ponsford, Mark Bayley, Catherine Wiseman-Hakes, Leanne Togher, Diana Velikonja, Amanda McIntyre, Shannon Janzen, Robyn Tate
INTRODUCTION: Traumatic brain injury, due to its diffuse nature and high frequency of injury to frontotemporal and midbrain reticular activating systems, may cause disruption in many aspects of attention: arousal, selective attention, speed of information processing, and strategic control of attention, including sustained attention, shifting and dividing of attention, and working memory. An international team of researchers and clinicians (known as INCOG) convened to develop recommendations for the management of attentional problems...
July 2014: Journal of Head Trauma Rehabilitation
K S Jeng, S H Chu, C C Huang, C K Lin, C C Lin, K H Chen
INTRODUCTION: Loss of speech after living-related liver transplantation is uncommon. Either immunosuppressive agents, related sequelae, or a neurological event may cause it. CASE REPORT: A 46-year-old man developed dysarthria and dysphagia on the 10th day after living-related donor liver transplantation for alcoholic cirrhosis with Child-Pugh class C. Brain magnetic resonance images and electroencephalograms could not detect any lesion, but the diffusion tensor image showed a subacute lacunar infarction at right midbrain...
April 2014: Transplantation Proceedings
Jeong Pyo Seo, Sung Ho Jang
OBJECTIVE: We describe here a patient with intracerebral haemorrhage who showed recovery of an injured medial lemniscus and its related thalamocortical pathway on follow- up diffusion tensor tractography. CASE REPORT: A 48-year-old man presented with right hemiplegia following a spontaneous intracerebral haemorrhage in the left corona radiata and basal ganglia. He underwent conservative management for intracerebral haemorrhage and comprehensive rehabilitative therapy...
May 2014: Journal of Rehabilitation Medicine
Xintong Li, Nitin Agarwal, David R Hansberry, Charles J Prestigiacomo, Chirag D Gandhi
The artery of Percheron (AOP) is a rare anatomic variant of the paramedian thalamic-mesencephalic arterial supply, arising as a solitary arterial trunk from the P1 segment of the posterior cerebral artery. Its occlusion, commonly caused by cardioembolism, leads to distal bilateral paramedian thalamic ischemia, oftentimes affecting the midbrain and/or the anterior thalamus. AOP occlusion presents with a clinical triad of altered mental status, vertical gaze palsy, and memory impairment, along with other associated symptoms...
February 2015: Journal of Neurointerventional Surgery
Soo Yeon Kim, Hye Kyung Park, Dae Heon Song, Myung Eun Chung, Young Moon Kim, Jae Hyun Woo
Ptosis could be caused by oculomotor nerve palsy in the midbrain infarction. Bilateral ptosis has been reported in several reports, which focused on clinical characteristics of midbrain infarction. Little research attention has been paid to the treatment of patients with bilateral ptosis in midbrain infarction. We experienced a case of severe bilateral ptosis occurring after midbrain infarction. The patient could not open her eyes, perform basic activities or achieve effective rehabilitation. Neurogenic ptosis can improved after the underlying cause is treated...
December 2013: Annals of Rehabilitation Medicine
Craig A Atencio, Jonathan Y Shih, Christoph E Schreiner, Steven W Cheung
Cochlear implant electrical stimulation of the auditory system to rehabilitate deafness has been remarkably successful. Its deployment requires both an intact auditory nerve and a suitably patent cochlear lumen. When disease renders prerequisite conditions impassable, such as in neurofibromatosis type II and cochlear obliterans, alternative treatment targets are considered. Electrical stimulation of the cochlear nucleus and midbrain in humans has delivered encouraging clinical outcomes, buttressing the promise of central auditory prostheses to mitigate deafness in those who are not candidates for cochlear implantation...
March 2014: Journal of Neurophysiology
Sophia N Kouni, Sotirios Giannopoulos, Nausika Ziavra, Constantinos Koutsojannis
PURPOSE AND BACKGROUND: Acoustic signals are transmitted through the external and middle ear mechanically to the cochlea where they are transduced into electrical impulse for further transmission via the auditory nerve. The auditory nerve encodes the acoustic sounds that are conveyed to the auditory brainstem. Multiple brainstem nuclei, the cochlea, the midbrain, the thalamus, and the cortex constitute the central auditory system. In clinical practice, auditory brainstem responses (ABRs) to simple stimuli such as click or tones are widely used...
November 2013: American Journal of Otolaryngology
Seong Woo Kim, Jong Hun Kim, Zee-A Han
BACKGROUND: Intracranial stab wounds are low-velocity, penetrating injuries to the brain and fatality and outcome significantly depend on route, depth and location of cranial penetration. Due to the effective barrier provided by the adult calvarium, most injuries occur through the orbitae or temporal regions where bony layers are thin. Self-inflicted intracranial stab wounds are an even rarer form of traumatic brain injury, with common entry points being the orbital space and the nose...
2013: Brain Injury: [BI]
K S Dhami, M A Churchward, G B Baker, K G Todd
Depression is one of the most common disorders appearing following a stroke, and is also a major factor limiting recovery and rehabilitation in stroke patients. Antidepressants are the most common prescribed treatment for depression and have shown to have anti-inflammatory properties within the central nervous system (CNS). The major source of pro-inflammatory factors within the CNS is from activated microglia, the innate immune cells of the CNS. Antidepressants have been shown to promote midbrain and hippocampal neuronal survival following an ischemic insult and this survival is mediated through the anti-inflammatory effects on microglia, but the effects on cortical neuronal survival after this insult have yet to be investigated...
September 2013: Molecular and Cellular Neurosciences
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"