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Visually evoked potentials (VEPs) were elicited by Gabor gratings with different lengths and widths at three spatial frequencies (SFs): low, 1.45 c/deg, medium, 2.9 c/deg and high, 5.8 c/deg and at a contrast 3 times above the detection threshold at each SF. An increase of grating length enhanced N1 amplitude at occipital and parietal positions stronger than the increase of grating width at aspect...
Proinflammatory cytokine - interleukin ip (IL-ip) plays an important role in stress reactions in the structures of limbic system. The impact of stress on IL-ip may depend on the ontogenetic age. The study examined the influence of acute and chronic exposure to forced swim (FS) or high-light open-field (HL-OF) stressors on neurons containing IL-ip. Double immunofluorescence staining was used to reveal...
The aim of the study was to find whether spatial memory impairment and disruption in locomotor activity were found in prenatally stressed rats (PSG) or prenatally methylazoxymethanol acetate-treated rats (MAMG). In addition to this, we examined basal plasma corticosterone level as well as brain-derived neurothropic factor (BDNF) in the PSG and MAMG rats. The effect of prenatal stress (stress paradigm...
An important characteristic of childhood attention-deficit/hyperactivity disorder (ADHD) is a bias towards small immediate versus larger delayed rewards, but it is not known if this symptom is also a feature of adult ADHD. A delay-discounting task was administered to participants with adult ADHD and a comparison group in conjunction with functional magnetic resonance imaging. Participants responded...
Synaptic plasticity is a property of neurons that can be induced by conditioning electrical stimulation (CS) of afferent fibers in the spinal cord. This is a widely studied property of spinal cord and hippocampal neurons. CS has been shown to trigger enhanced expression of immediate early gene proteins (IEGPs), with peak increases observed 2 hour post stimulation. Chronic morphine treatment has been...
At the time of its first description in 2004, MFN2 was considered the most frequently mutated gene in hereditary motor and sensory neuropathy type 2 (HMSN 2). However recent studies have shown that the frequency of MFN2 gene mutations in HMSN II patients is surprisingly low. To date, no systematic studies devoted to HMSN Ila in Poland have been carried out. In this study, we searched for MFN2 gene...
Disorders involving the orofacial area represent a major medical and social problem. They are a consequence of central nociceptive processes associated with stimulation of the trigeminal nerve nucleus. A rat model of trigeminal pain, utilizing tongue jerks evoked by electrical tooth pulp stimulation during perfusion of the cerebral ventricles with various neuropeptide solutions, can be used in the...
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