In 23 patients with central motor disorders (spastic hemiparesis, pseudobulbar syndrome and parkinsonism) reflex responses in both masseters were evoked during their relaxation and contraction by percussion with a reflex hammer on the chin and by electric stimulation of the upper lip. For recording of the reflex responses the electromyographic method was used. On the side of the spastic hemiparesis, as compared with the finding on the non-paretic side, the author found changes in the short-, medium and late-latency excitation and inhibition segments of the reflex response. In patients with parkinsonism the medium-latency portion of the reflex response after percussion of the chin from above as well as from below was satisfactory. The late latency excitation response after percussion of the chin from below was greater than its corresponding part evoked by percussion of the chin from above. In patients with the pseudobulbar syndrome the inhibitory parts of the reflex responses after percussion of the chin were weak. The results of the examination provided thus more detailed information on disorders of supranuclear control of masseter muscles.
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Cogn Neurodyn
February 2024
Department of Medical Research, Chi Mei Medical Center, Tainan, 710 Taiwan.
Animal models of traumatic brain injury (TBI) have shown that impaired motor and cognitive function can be improved by physical exercise. However, not each animal with TBI can be well rehabilitated at the same training intensity due to a high inter-subject variability. Hence, this paper presents a two-stage wheel-based mixed-mode rehabilitation mechanism by which the effect of stress on the rehabilitation performance was investigated.
View Article and Find Full Text PDFFish Shellfish Immunol
January 2019
Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China; Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Development Research Platform, Ningbo, China. Electronic address:
Stress response has negative effect on fish in aquaculture and research, which can be alleviated with anesthetic. To determine the optimal anesthetic, we investigated the physiological response of crucian carp (Carassius auratus) treated with three different anti-stress treatments: MS-222, eugenol and percussive stunning. Stress responses were evaluated by analyzing serum cortisol level and gene expression in blood.
View Article and Find Full Text PDFMol Neurobiol
November 2018
Division of Neurosurgery, Department of Surgery, Chi Mei Medical Center, Tainan, 710, Taiwan.
Physical exercise (PE) is an effective method for improving cognitive function among patients with traumatic brain injury (TBI). We previously demonstrated that PE with an infrared-sensing running wheel (ISRW) system provides strong neuroprotection in an experimental animal model of stroke. In this study, we used fluid percussion injury in rats to simulate mild TBI.
View Article and Find Full Text PDFChin J Traumatol
November 2015
Emergency Center, Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China.
Objective: To investigate the expression pattern of resistin (RSTN) in skeletal muscle tissue and its influence on glycometabolism in rats with traumatic brain injury (TBI).
Methods: Seventy-eight SD rats were randomly divided into traumatic group (n=36), RSTN group (n=36) and sham operation group (n=6). Fluid percussion TBI model was developed in traumatic and RSTN groups and the latter received additional 1 mg RSTN antibody treatment for each rat.
Sao Paulo Med J
September 2013
Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, Brazil.
Context: Newborns may present a range of motor phenomena that are not epileptic in nature. Chin tremor is an unusual movement disorder that typically starts in early childhood and may be precipitated by stress and emotion. Its pathophysiology has not been fully elucidated.
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