Conditioning, Operant (Latest Articles)

Latest indexed articles for 'Conditioning, Operant'

Articles 191 to 200 of 200:

Impairment in long-term retention of preference conditioning in schizophrenia.

24 Feb 2009 BACKGROUND: Schizophrenia illness is characterized by significant impairments in long-term episodic memory, which are associated with hippocampal abnormalities. This study assessed long-term memory for preference conditioning, which is believed to ...
rec_pub_19246031-impairment-long-term-retention-preference-conditioning-schizophrenia.htm

Tic hydantoin sigma-1 agonist: pharmacological characterization on cocaine-induced stimulant and appetitive effects.

24 Feb 2009 Activation of the newly identified sigma(1) chaperone protein is involved in several aspects of the psychostimulant and addictive effects of cocaine. The development of ligands that selectively target the sigma(1) protein may lead to putative potent ...
rec_pub_19249191-tic-hydantoin-sigma-1-agonist-pharmacological-characterization.htm

Improvement in motor and exploratory behavior in Rett syndrome mice with restricted ketogenic and standard diets.

24 Feb 2009 Rett syndrome (RTT) is a rare X-linked autistic-spectrum neurological disorder associated with impaired energy metabolism, seizure susceptibility, progressive social behavioral regression, and motor impairment primarily in young girls. The objective ...
rec_pub_19249385-improvement-motor-exploratory-behavior-rett-syndrome-mice-restricted.htm

Systemic propranolol acts centrally to reduce conditioned fear in rats without impairing extinction.

24 Feb 2009 BACKGROUND: Previous work has implicated noradrenergic beta-receptors in the consolidation and reconsolidation of conditioned fear. Less is known, however, about their role in fear expression and extinction. The beta-receptor blocker propranolol has ...
rec_pub_19246030-systemic-propranolol-acts-centrally-reduce-conditioned-fear-rats.htm

Improvement of age-related memory deficits by differential outcomes.

24 Feb 2009 BACKGROUND: The differential outcomes procedure (DOP) has proved useful to improve discrimination learning in both animals and humans. Here we adapted DOP to assess its utility to overcome the memory loss commonly associated with normal aging. ...
rec_pub_19243662-improvement-age-related-memory-deficits-differential-outcomes.htm

Anxiolytic effects of nicotine in a rodent test of approach-avoidance conflict.

23 Feb 2009 RATIONALE: Nicotine has been reported to produce both anxiolytic and/or anxiogenic effects in humans and animals. OBJECTIVES: This study examined whether pretreatment with nicotine would alter anxiety in a unique runway model of approach-avoidance ...
rec_pub_19241061-anxiolytic-effects-nicotine-rodent-test-approach-avoidance-conflict.htm

Measuring correlations and interactions among four simultaneously recorded brain regions during learning.

23 Feb 2009 Brain function depends on coordinated interactions in spatially distributed neuronal populations. Thanks to recent technological advances, it is now possible to monitor the activity of large groups of neurons. Although significant progress has been ...
rec_pub_19244352-measuring-correlations-interactions-four-simultaneously-recorded.htm

Distinct subtypes of basolateral amygdala taste neurons reflect palatability and reward.

23 Feb 2009 The amygdala processes multiple, dissociable properties of sensory stimuli. Given its central location within a dense network of reciprocally connected regions, it is reasonable to expect that basolateral amygdala (BLA) neurons should produce a rich ...
rec_pub_19244523-distinct-subtypes-basolateral-amygdala-taste-neurons-reflect.htm

Accumbal dopamine and serotonin activity throughout acquisition and expression of place conditioning: correlative relationships with preference and aversion.

22 Feb 2009 The ability of addictive drugs to induce adaptations in mesolimbic dopamine (DA) activity offers an attractive neurobiological explanation for enhanced incentive motivation toward drug-associated stimuli in addiction. However, direct evidence ...
rec_pub_19245370-accumbal-dopamine-serotonin-activity-acquisition-expression-place.htm

Brief exposure to methamphetamine (METH) and phencyclidine (PCP) during late development leads to long-term learning deficits in rats.

22 Feb 2009 Exposure to methamphetamine (METH) and phencyclidine (PCP) during early development is thought to produce later behavioral deficits. We postulated that exposure to METH and PCP during later development would produce similar behavioral deficits, ...
rec_pub_19245799-brief-exposure-methamphetamine-meth-phencyclidine-pcp-late.htm

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