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Blechert, Jens; Michael, Tanja; Williams, S. Lloyd; Purkis, Helena M.; Wilhelm, Frank H. – Learning and Motivation, 2008
Contemporary theories of Pavlovian conditioning propose a distinction between signal learning (SL), in which a conditioned stimulus (CS) becomes a predictor for a biologically significant unconditioned stimulus (US), and evaluative learning (EL), in which the valence of the US is transferred to the CS. This distinction is based largely on the…
Descriptors: Stimuli, Classical Conditioning, Psychophysiology, Fear
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Michel, Maximilian; Kemenes, Ildiko; Muller, Uli; Kemenes, Gyorgy – Learning & Memory, 2008
The cAMP-dependent protein kinase (PKA) is known to play a critical role in both transcription-independent short-term or intermediate-term memory and transcription-dependent long-term memory (LTM). Although distinct phases of LTM already have been demonstrated in some systems, it is not known whether these phases require distinct temporal patterns…
Descriptors: Classical Conditioning, Long Term Memory, Anatomy, Brain Hemisphere Functions