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Tovar-Díaz, Jorge; Morín, Jean-Pascal; Ríos-Carrillo, Jorge Eduardo; de Jesús, Hilda Sánchez; Roldán-Roldán, Gabriel – Learning & Memory, 2021
In conditioned odor aversion (COA), the association of a tasteless odorized solution (the conditioned stimulus [CS]) with an intraperitoneal injection of LiCl (the unconditioned stimulus [US]), which produces visceral malaise, results in its future avoidance. The strength of this associative memory is mainly dependent on two parameters, that is,…
Descriptors: Short Term Memory, Associative Learning, Conditioning, Olfactory Perception
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Oruro, Enver Miguel; Pardo, Grace V. E.; Lucion, Aldo Bolten; Calcagnotto, Maria Elisa; Idiart, Marco A. P. – Learning & Memory, 2020
During the first ten postnatal days (P), infant rodents can learn olfactory preferences for novel odors if they are paired with thermo-tactile stimuli that mimic components of maternal care. After P10, the thermo-tactile pairing becomes ineffective for conditioning. The current explanation for this change in associative learning is the alteration…
Descriptors: Neonates, Animals, Olfactory Perception, Brain Hemisphere Functions
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Weiglein, Alice; Gerstner, Florian; Mancini, Nino; Schleyer, Michael; Gerber, Bertram – Learning & Memory, 2019
Animals of many species are capable of "small data" learning, that is, of learning without repetition. Here we introduce larval "Drosophila melanogaster" as a relatively simple study case for such one-trial learning. Using odor-food associative conditioning, we first show that a sugar that is both sweet and nutritious…
Descriptors: Animals, Associative Learning, Conditioning, Memory
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Bhattacharya, Sriya; Mukherjee, Bandhan; Doré, Jules J. E.; Yuan, Qi; Harley, Carolyn W.; McLean, John H. – Learning & Memory, 2017
Histone deacetylase (HDAC) plays a role in synaptic plasticity and long-term memory formation. We hypothesized that trichostatin-A (TSA), an HDAC inhibitor, would promote long-term odor preference memory and maintain enhanced GluA1 receptor levels that have been hypothesized to support memory. We used an early odor preference learning model in…
Descriptors: Long Term Memory, Inhibition, Olfactory Perception, Preferences
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Boisselier, Lise; Ferry, Barbara; Gervais, Rémi – Learning & Memory, 2017
The hippocampal formation has been extensively described as a key component for object recognition in conjunction with place and context. The present study aimed at describing neural mechanisms in the hippocampal formation that support olfactory-tactile (OT) object discrimination in a task where space and context were not taken into account. The…
Descriptors: Animals, Role, Brain Hemisphere Functions, Olfactory Perception
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Tong, Michelle T.; Kim, Tae-Young P.; Cleland, Thomas A. – Learning & Memory, 2018
Long-term fear memory formation in the hippocampus and neocortex depends upon brain-derived neurotrophic factor (BDNF) signaling after acquisition. Incremental, appetitive odor discrimination learning is thought to depend substantially on the differentiation of adult-born neurons within the olfactory bulb (OB)--a process that is closely associated…
Descriptors: Memory, Olfactory Perception, Role, Animals