نتایج جستجو برای: septo
تعداد نتایج: 499 فیلتر نتایج به سال:
As cardiopatias congênitas ocorrem devido às alterações morfológicas e funcionais, causadas por malformações que persistem após o nascimento do animal. Neste caso, animal pode ir a óbito morte súbita ou sofrer pela repercussão hemodinâmica. O defeito septo atrial é uma enfermidade com pouca ocorrência, mas de grande importância, exigindo um exame clínico completo minucioso dos filhotes para ide...
Three main types of electrical oscillations are recorded from the hippocampus in vivo: theta (θ), gamma (γ) and sharp wave ripples with frequency bands of 4-12, 25-100 and 110-250 Hz, respectively. Theta activity is the more robust of them, and has important physiological roles because it is involved in spatial navigation, memory formation and memory retrieval. Classical lesion studies in vivo ...
Locomotion is essential for goal-oriented behavior. Theta frequency oscillations in the hippocampus have been associated with behavioral activation and initiation of movement. Recently, the nucleus incertus, a brainstem nucleus with widespread cortical and subcortical projections, has been reported to modulate the septo-hippocampal axis triggering theta activity in the hippocampus. This suggest...
AIM To describe the clinical spectrum of achiasmia, a congenital disorder of reduced relative decussation at the optic chiasm. METHODS A retrospective case note and patient review of nine children (four boys). Achiasmia was defined by the combination of a characteristic asymmetry of the monocular visual evoked potential (VEP) response to flash and neuroimaging showing reduced chiasmal size. ...
Clinically most active anxiolytic drugs are positive allosteric modulators (PAMs) of GABA(A) receptors, represented by benzodiazepine compounds. Due to their non-selective profile, however, they potently modulate several sup-type specific GABA(A) receptors, contributing to their broad-range side effects. Based on observations in genetically altered mice, however, it has been proposed that anxio...
OBJECTIVE To measure the volume of basal forebrain septal nuclei in patients with temporal lobe epilepsy (TLE) as compared to patients with extratemporal epilepsy and controls. In animal models of TLE, septal lesions facilitate epileptogenesis, while septal stimulation is antiepileptic. METHOD Subjects were recruited from 2 sites and consisted of patients with pharmacoresistant focal epilepsy...
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