Specific high molecular weight mRNAs induced by associative learning in Hermissenda.
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چکیده
منابع مشابه
Associative Training of Hermissenda
Reflex behavior of Hermissenda in response to visual and rotational stimuli is described. It is shown that repeated association of light with rotation modifies the subsequent responses of the animals to light. This modification does not occur after the same period of light or rotation alone. The effect of the associative training is strongly dependent on the amount of daily light with which the...
متن کاملNeural correlates of associative training in Hermissenda
Hair cells in Hermissenda respond to illumination of the ipsilateral and contralateral eyes. These responses are modified by associative training of the animal. The observed electrophysiological changes appear to result from changes in the photoreceptors' synaptic input to the hair cells.
متن کاملInput and output changes of an identified neural pathway are correlated with associative learning in Hermissenda.
The effect of associative training on an identified putative motoneuron (MN1) in an identified visual input-output neural pathway was studied in Hermissenda crassicornis. The increased impulse frequency of the MN1 cell in response to a light step (MN1-LR) was found to be smaller up to 54 hr after associative training with paired light and rotation stimuli. No change was found in animals which r...
متن کاملRyanodine receptor modulation of in vitro associative learning in Hermissenda crassicornis.
Classical conditioning of the mollusc, Hermissenda crassicornis, is a model system used to study cellular correlates of associative learning. Paired presentation of light and turbulence, but not unpaired presentations, causes Hermissenda to contract its foot in response to light alone. Intracellular recordings from the type B photoreceptors of the Hermissenda eye reveal a learning specific incr...
متن کاملHigh Performance Associative Memory and Weight Dilution
The consequences of diluting the weights of the standard Hopfield architecture associative memory model, trained using perceptron like learning rules, is examined. A proportion of the weights of the network are removed; this can be done in a symmetric and asymmetric way and both methods are investigated. This paper reports experimental investigations into the consequences of dilution in terms o...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1990
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.87.1.269