Behavioural Brain Research
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Long-term behavioral effects of neonatal blockade of gastrin-releasing peptide receptors in rats: Similarities to autism spectrum disorders.
We have previously shown that the neonatal blockade of the gastrin-releasing peptide receptor (GRPr) in rats produces long-lasting consequences during central nervous system development that are commonly observed in neurodevelopmental disorders such as autism spectrum disorders. The present investig...
Melatonin treatment during early life interacts with restraint to alter neuronal morphology and provoke depressive-like responses.
We administered melatonin either during the perinatal (gestational day 7 to postnatal day 14) or postnatal (day 15-56) periods and also exposed a subset of dams to restraint during gestation (1h-2×/day for 4 days). During the final week of injections, depressive-like behaviors were assessed using th...
Tumor necrosis factor-alpha during neonatal brain development affects anxiety- and depression-related behaviors in adult male and female mic...
We investigated for the first time whether neonatal exposure to TNF-α can affect body weight, stress-induced corticosterone (COR), anxiety- and depression-related behaviors in adult mice. In the present study, neonatal mice were treated to recombinant mouse TNF-α (0.2, 0.4, 0.7 and 1μg/kg) or saline...
Inflammatory markers are associated with inhibitory avoidance memory deficit induced by sleep deprivation in rats.
Sleep deprivation (SD) causes detrimental effects to the body, such as memory impairment and weight loss. SD also changes the concentration of inflammatory mediators such as cytokines, which, in turn, can affect cognitive functioning. Thus, the objective of this study was to investigate the involveme...
Functional brain asymmetry in adult novelty response: on fluidity of neonatal novelty exposure effects.
We show that repeated brief exposures to the novelty of a non-home environment during infancy and early adulthood lead to long-lasting changes in adulthood in the global bi-lateralization organization of the brain as indexed by a transiently detectable right-sided orientating bias upon the initial e...
Picture recognition in animals and humans.
Our survey will lead to the conclusion that humans show evidence of picture recognition from an early age; this recognition is, however, facilitated by prior exposure to pictures. This same exposure or training effect appears also to be necessary in nonhuman primates as well as in other mammals and...
Transcutaneous electrical nerve stimulation (TENS) improves the rest-activity rhythm in midstage Alzheimer's disease.
Nightly restlessness in patients with Alzheimer's disease (AD) is probably due to a disorder of circadian rhythms. Transcutaneous electrical nerve stimulation (TENS) was previously reported to increase the strength of coupling of the circadian rest activity rhythm to Zeitgebers in early stage Alzhei...
Effects of medial and lateral caudate-putamen lesions on place- and cue-guided behaviors in the water maze: relation to thigmotaxis.
Rats with dorsomedial or dorsolateral caudate-putamen lesions and sham-operated controls were trained on the standard hidden platform (place) task in the water maze. Compared to controls, rats with dorsomedial, but not dorsolateral lesions were slower to escape to the hidden platform and spent signi...
How skilled are the skilled limb movements of the raccoon (Procyon lotor)?
These results suggest that raccoons are like primates in that they display visual guidance of reaching, but are similar to other carnivores in that they do not use convergent grasping and digit manipulation and frequently use bimanual grasping. The results, consistent with a growing body of informat...
The dorsocaudal neostriatum of the domestic chick: a structure serving higher associative functions.
The dorsocaudal neostriatal (dNC) complex consists of at least three functionally distinct subregions and is part of an 'imprinting' pathway, which interconnects several forebrain regions that are known to be involved in juvenile learning. Based on its anatomical features, at least one subregion of...