Abstract：
:Rats with lesions in the perirhinal cortex and their control group learnt to discriminate between mirror-imaged visual landmarks to find a submerged platform in a watermaze. Rats initially learnt this discrimination passively, in that they were repeatedly placed on the platform in one corner of a square watermaze with walls of different appearance, prior to swimming to that same location for the first time in a subsequent probe trial. Perirhinal cortex lesions spared this passively learnt ability, despite the common visual elements shared by the guiding landmarks. These results challenge models of perirhinal function that emphasise its role in solving discriminations between stimuli with ambiguous or overlapping features, while underlining how this cortical region is often not required for spatial processes that involve the hippocampus.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Nelson AJD,Olarte-Sánchez CM,Amin E,Aggleton JPdoi
10.1016/j.bbr.2016.07.031subject
Has Abstractpub_date
2016-10-15 00:00:00pages
255-259eissn
0166-4328issn
1872-7549pii
S0166-4328(16)30459-4journal_volume
313pub_type
杂志文章abstract：:The present report describes the participation of nicotinic receptors (nAChRs) in controlling the excitability of local neuronal circuitries in the rat hippocampus and in the human cerebral cortex. The patch-clamp technique was used to record responses triggered by the non-selective agonist ACh and the alpha7-nAChR-se...
journal_title：Behavioural brain research
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abstract：:The outcome of behavioral interactions between organisms can have significant fitness implications. Therefore, it is of great theoretical and practical importance to understand the mechanisms that modify different agonistic behaviors. Changes in central monoamines, such as serotonin (5-HT), contribute to modifying the...
journal_title：Behavioural brain research
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abstract：:Individual differences in coping response lie at the core of vulnerability to conditions like post-traumatic stress disorder (PTSD). Like humans, not all animals exposed to severe stress show lasting change in affect. Predator stress is a traumatic experience inducing long-lasting fear, but not in all rodents. Thus, i...
journal_title：Behavioural brain research
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abstract：:This experiment examined the role of the lateral nucleus of the amygdala, the hippocampus and the dorsal striatum in the acquisition of a conditioned place preference (CPP). The CPP was established on a radial maze which was rotated before each daily trial so that only distal cues could be used to distinguish among lo...
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journal_title：Behavioural brain research
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abstract：:This study determined if the hippocampal theta rhythm showed phase relationships or changes in amplitude and frequency with the onset of stimuli and locomotion in a task in which auditory cues initiated and suppressed approach locomotion. Rats with electrodes in the dorsal hippocampus lapped at a milk dipper and were ...
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journal_title：Behavioural brain research
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abstract：:Environmental enrichment (EE) at early stages of neurodevelopment attenuates HI-induced behavioral, histological and cellular damage. However, the effects of EE exposure during gestational or early postnatal period and the possible influence of sexual dimorphism on EE protection are not fully understood. Present study...
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journal_title：Behavioural brain research
pub_type： 杂志文章
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journal_title：Behavioural brain research
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doi：10.1016/j.bbr.2004.11.014
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journal_title：Behavioural brain research
pub_type： 杂志文章
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
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abstract：:It is known that animals decerebrated at the premammillary level are capable of standing and walking without losing balance, in contrast to postmammillary ones which do not exhibit such behavior. The main goals of the present study were, first, to characterize the postural performance in premammillary rabbits, and, se...
journal_title：Behavioural brain research
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abstract：:We aimed to analyze whether hypertension and changes in nitric oxide (NO) generation are associated with alterations of locomotor activity in rats. Male Wistar rats treated with an inhibitor of NO synthase, NG-nitro-L-arginine methyl ester (L-NAME, 40 mg/kg/day) for 6 weeks, control Wistar rats, spontaneously hyperten...
journal_title：Behavioural brain research
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更新日期：2006-11-01 00:00:00
