Results 11 to 20 of about 109,071 (235)

Serotonergic-dependent awareness is required for trace conditioning in honeybees [PDF]

open access: yesiScience
Summary: In humans, trace conditioning—where a temporal gap separates conditioned (CS) and unconditioned (US) stimuli—requires awareness and is sensitive to distraction, unlike delay conditioning. Here, we show that honeybees exhibit comparable features,
Catherine Macri   +5 more
doaj   +2 more sources

How common is a common error term? The rules that govern associative learning in sensory preconditioning and second-order conditioning

open access: yesFrontiers in Behavioral Neuroscience, 2022
In standard (first-order) Pavlovian conditioning protocols, pairings of an initially neutral conditioned stimulus (CS) and a biologically significant unconditioned stimulus (US) result in the formation of a CS-US association.
Travis P. Todd, Nathan M. Holmes
doaj   +1 more source

Early Auditory Event Related Potentials Distinguish Higher-Order From First-Order Aversive Conditioning

open access: yesFrontiers in Behavioral Neuroscience, 2022
Stimuli in reality rarely co-occur with primary reward or punishment to allow direct associative learning of value. Instead, value is thought to be inferred through complex higher-order associations.
Prateek Dhamija   +5 more
doaj   +1 more source

Neural Substrates of Incidental Associations and Mediated Learning: The Role of Cannabinoid Receptors

open access: yesFrontiers in Behavioral Neuroscience, 2021
The ability to form associations between different stimuli in the environment to guide adaptive behavior is a central element of learning processes, from perceptual learning in humans to Pavlovian conditioning in animals.
Christina Ioannidou   +6 more
doaj   +1 more source

No relevant differences in conditioned pain modulation effects between parallel and sequential test design. A cross-sectional observational study [PDF]

open access: yesPeerJ, 2021
Background Conditioned pain modulation (CPM) is measured by comparing pain induced by a test stimulus with pain induced by the same test stimulus, either during (parallel design) or after (sequential design) the conditioning stimulus.
Roland R. Reezigt   +3 more
doaj   +2 more sources

Higher-order trace conditioning in newborn rabbits

open access: yesLearning & Memory, 2022
Temporal contingency is a key factor in associative learning but remains weakly investigated early in life. Few data suggest simultaneous presentation is required for young to associate different stimuli, whereas adults can learn them sequentially. Here, we investigated the ability of newborn rabbits to perform sensory preconditioning and second-order ...
Coureaud, Gérard   +3 more
openaire   +4 more sources

Hierarchical architecture of dopaminergic circuits enables second-order conditioning in Drosophila

open access: yeseLife, 2023
Dopaminergic neurons with distinct projection patterns and physiological properties compose memory subsystems in a brain. However, it is poorly understood whether or how they interact during complex learning.
Daichi Yamada   +8 more
doaj   +1 more source

Higher order initial conditions with massive neutrinos

open access: yesMonthly Notices of the Royal Astronomical Society, 2022
ABSTRACT The discovery that neutrinos have mass has important consequences for cosmology. The main effect of massive neutrinos is to suppress the growth of cosmic structure on small scales. Such growth can be accurately modelled using cosmological N-body simulations, but doing so requires accurate initial conditions (ICs).
Willem Elbers   +4 more
openaire   +3 more sources

An Interactive Task Conditioning System Featuring Personal Comfort Models and Non-Intrusive Sensing Techniques: A Field Study in Shanghai

open access: yesTechnologies, 2021
Heating, ventilation and air-conditioning (HVAC) systems play a key role in shaping office environments. However, open-plan office buildings nowadays are also faced with problems like unnecessary energy waste and an unsatisfactory shared indoor thermal ...
Siliang Lu, Erica Cochran Hameen
doaj   +1 more source

Cognitive Reserve and Anxiety Interactions Play a Fundamental Role in the Response to the Stress

open access: yesFrontiers in Psychology, 2021
The aims of the present study were to assess the possible interaction between Cognitive Reserve (CR) and State Anxiety (SA) on adrenocortical and physiological responses in coping situations. Forty healthy, middle-aged men completed the Cognitive Reserve
Jose A. García-Moreno   +7 more
doaj   +1 more source

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