Chemosensory conditioning in molluscs: I. Failure of contextual conditioning inHermissenda
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منابع مشابه
Contextual fear conditioning in zebrafish.
Zebrafish are a genetically tractable vertebrate that hold considerable promise for elucidating the molecular basis of behavior. Although numerous recent advances have been made in the ability to precisely manipulate the zebrafish genome, much less is known about many aspects of learning and memory in adult fish. Here, we describe the development of a contextual fear conditioning paradigm using...
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The role of the hippocampus in associative learning was investigated in 3 experiments with rats as subjects. Hippocampal rats were impaired in the acquisition of conditioned responding both when food was signaled by the insertion of a lever (Experiment 1) and when the presentation of auditory or visual events served as the conditioned stimuli (Experiment 2). Experiment 2 also evaluated the sugg...
متن کاملPrefrontal neuronal circuits of contextual fear conditioning.
Over the past years, numerous studies have provided a clear understanding of the neuronal circuits and mechanisms involved in the formation, expression and extinction phases of conditioned cued fear memories. Yet, despite a strong clinical interest, a detailed understanding of these memory phases for contextual fear memories is still missing. Besides the well-known role of the hippocampus in en...
متن کاملEstrogen modulates sexually dimorphic contextual fear conditioning
The present study examined the role of ovarian steroids in contextual fear conditioning and hippocampal synaptic plasticity in female rats. In experiment 1, adult female rats were ovariectomized and submitted to contextual fear conditioning, a procedure in which rats received unsignaled footshock in a novel observation chamber; freezing behavior served as the measure of conditional fear. Ovarie...
متن کاملDorsal hippocampal contributions to unimodal contextual conditioning.
Although there is general consensus that the hippocampus is not critically involved in the acquisition of fear conditioned to an explicit conditioned stimulus (CS), the extent to which the hippocampus participates in contextual fear conditioning remains unclear. To further characterize the potential role of the hippocampus in contextual fear conditioning, the present experiments examined the ef...
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ژورنال
عنوان ژورنال: Animal Learning & Behavior
سال: 2004
ISSN: 0090-4996,1532-5830
DOI: 10.3758/bf03196026