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Direct linkCunningham, Tony J.; Leal, Stephanie L.; Yassa, Michael A.; Payne, Jessica D. – Learning & Memory, 2018
Stress influences how we remember emotional events and how these events shape future behaviors. However, the impact of stress on memory specificity for emotional events has yet to be examined. To this end, the present study utilized a mnemonic discrimination task that taxes hippocampal pattern separation, the process of distinguishing between…
Descriptors: Stress Variables, Brain Hemisphere Functions, Memory, Behavior Patterns
Sinclair, Alyssa H.; Barense, Morgan D. – Learning & Memory, 2018
Through the process of "reconsolidation," reminders can temporarily destabilize memories and render them vulnerable to change. Recent rodent research has proposed that prediction error, or the element of surprise, is a key component of this process; yet, this hypothesis has never before been extended to complex episodic memories in…
Descriptors: Memory, Prediction, Error Patterns, Cues
Felsenberg, Johannes; Plath, Jenny Aino; Lorang, Steven; Morgenstern, Laura; Eisenhardt, Dorothea – Learning & Memory, 2014
In classical conditioning, the temporal sequence of stimulus presentations is critical for the association between the conditioned stimulus (CS) and the unconditioned stimulus (US). In forward conditioning, the CS precedes the US and is learned as a predictor for the US. Thus it acquires properties to elicit a behavioral response, defined as…
Descriptors: Short Term Memory, Long Term Memory, Animals, Stimuli
Bae, Sarah; Holmes, Nathan M.; Westbrook, R. Frederick – Learning & Memory, 2015
Four experiments used rats to study false context fear memories. In Experiment 1, rats were pre-exposed to a distinctive chamber (context A) or to a control environment (context C), shocked after a delay in a second chamber (context B) and tested either in B or A. Rats pre-exposed to A froze just as much as control rats in B but more than control…
Descriptors: Laboratory Experiments, Memory, Fear, Animals
Schmidt, Pia-Isabell; Rosga, Kristin; Schatto, Celina; Breidenstein, Anja; Schwabe, Lars – Learning & Memory, 2014
Memory can be distorted by misleading post-event information. These memory distortions may have serious consequences, for example in eyewitness testimony. Many situations in which memory reports are solicited, and suggestive or misleading information is presented, are highly stressful for the respondent, yet little is known about how stress…
Descriptors: Stress Variables, Memory, Comparative Analysis, Experimental Groups
Leung, L. Stan; Shen, Bixia – Learning & Memory, 2006
Long-term synaptic enhancement in the hippocampus has been suggested to cause deficits in spatial performance. Synaptic enhancement has been reported after hippocampal kindling that induced repeated electrographic seizures or afterdischarges (ADs) and after long-term potentiation (LTP) defined as synaptic enhancement without ADs. We studied…
Descriptors: Experimental Groups, Seizures, Memorization, Control Groups
