نتایج جستجو برای: cuneiform nucleus
تعداد نتایج: 112468 فیلتر نتایج به سال:
It has been shown that dendritic branching in neural cardiorespiratory and locomotor centers can be attenuated with exercise training (ET) initiated immediately after weaning. The purpose of this study was to determine whether neuroplastic changes occur within cardiorespiratory and locomotor centers due to ET after maturation. Male Sprague-Dawley rats (21 days old, n=28) were individually house...
Antidromic activation was used to determine the locations of ascending spinohypothalamic tract (SHT) axons and their collateral projections within C1, medulla, pons, midbrain, and caudal thalamus. Sixty-four neurons in the cervical enlargement were antidromically activated initially by stimulation within the contralateral hypothalamus. All but one of the examined SHT neurons responded either pr...
Chronic exposure to stress has been implicated in physical and mental illness, and such experiences can produce alterations in the connectivity and number of neurones within the brain to variations in the expression of specific genes. The purpose of this study was to determine how repeated exposure to social defeat affects neuronal activation patterns within the male Syrian hamster brain. Towar...
During an agonistic encounter, subordinate male hamsters display defensive and submissive postures and show increased secretion of glucocorticoids, whereas dominant males do not. To determine whether specific neuronal pathways are activated during the behavioral and neuroendocrine responses of subordinate males, expression of c-fos mRNA within the brains of subordinate males was compared with t...
A 54-year-old man presented to the Ophthalmology OPD with redness and discharge from his eyes. His vision was 20/20 in both the eyes. There was diffuse conjunctival congestion and mild discharge in both the eyes. On detailed examination, the left eye showed highly refractive, multicoloured , iridescent crystals in the inferior cortex and nucleus of the crystalline lens. The colours changed with...
It has been shown previously that dendritic branching in cardiorespiratory and locomotor brain areas can be attenuated with exercise training (ET). It was not known whether this process was reversible. Twenty-three (n = 23) male Sprague-Dawley rats were individually caged and divided into two groups: untrained (UN; n = 11) and detrained (DTR; n = 12). DTR were provided with a running wheel at 2...
Gait disorders and postural instability, which are commonly observed in elderly patients with Parkinson disease (PD), respond poorly to dopaminergic agents used to treat other parkinsonian symptoms. The brain structures underlying gait disorders and falls in PD and aging remain to be characterized. Using functional MRI in healthy human subjects, we have shown here that activity of the mesenceph...
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