Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Spontaneous recovery"”.
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Drive Shifts During Extinction: Effects on Extinction and Spontaneous Recovery of Bar Pressing Behavior
Made available in DSpace on 2014-12-08T23:01:13Z (GMT). No. of bitstreams: 1 6503595.pdf: 2264157 bytes, checksum: 7ec9a7ab7b6d9b5c60499f58a29ccee6 (MD5) Previous issue date: 1964
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Targeting Cholinergic Neuromodulation in Stroke Recovery
… Most patients experience some degree of spontaneous recovery in the weeks after stroke. However, this recovery is often incomplete, and there are no treatment approaches which have been established to substantially restore lost function. Better functional assessment in the mouse model and …
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Neurobiologically-motivated treatments for post-traumatic stress disorder in an animal model
… of extinction training yields resistance to spontaneous recovery of fear and demonstrates a weakening of potentiated synapses in the amygdala after optimal, but not suboptimal, behavioral extinction training.
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The effects of changing the interstimulus interval during habituation in Caeorhaditis elegans
… both its impact on habituation and its impact on spontaneous recovery from habituation. One type of ISI change tested was continual variation in the ISI used during habituation. When habituation stimuli were delivered at variable ISIs having an overall average of 10 s the recovery from habituation …
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Representation and Interaction of Sensorimotor Learning Processes
… demonstrated a novel, more general aspect of the spontaneous recovery phenomenon using a two-dimensional force field task: when subjects learned two orthogonal force fields consecutively, in the following phase of clamped error feedback, the expression of adaptation spontaneously rotated from the …
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Sensorimotor learning under switching dynamics
… novel perturbations are experienced and exhibits spontaneous recovery of a memory that has been ostensibly overwritten. To test the model, we perform an experiment in which we briefly present a previously experienced perturbation after behaviour has returned to baseline. As predicted, we observe a …
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The effects of chronic intermittent ethanol exposure on fear conditioning in rats: an investigation of the comorbidity of PTSD and AUD
… noted alterations in acquisition of fear and spontaneous recovery of fear. We also found that rats exposed to CIE (with and without fear conditioning) exhibited increased binge-like drinking in comparison to those exposed to air; those exposed to CIE and fear trended to drink more than cohorts …
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The Use of Synthetic Platelets to Augment Hemostasis
… symptoms (e.g., cardiopulmonary dysfunction with spontaneous recovery within minutes). While the sensitivity to CARPA is exaggerated in the pig model compared to humans, its consequences when triggered during hemorrhagic injury could be catastrophic in a subset of the population. Therefore, …
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Extended Treatment Window Exists for Improving Sensorimotor Recovery Using Anti-Nogo a Immunotherapy in Adult Rats with Chronic Stroke Deficits
… of this novel treatment results in sensorimotor recovery in adult and aged rats. This therapy has been shown to be efficacious when applied immediately, 24 hours, and 1 week post-stroke in rats with mild to moderate sensorimotor deficits. In addition, recent results suggest that administration of …
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Antidepressant-Like Effects of Ketamine on Fear Conditioning and Extinction
… depression. Repeated CORT treatment provoked a spontaneous recovery of conditioned freezing between extinction sessions and induced a reinstatement of freezing following a sub- conditioning retraining procedure. Ketamine prevented CORT-induced failures in long-term extinction expression, and …
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Developing a trait-based approach to understand <i>Sphagna</i> responses to hydrological stress in the Flow Country
… but near-natural conditions. Sphagnum cuspidatum recovery was widespread and was not strongly affected by bulk chemistry which was found to already be comparable to near natural sites, with hydrological stability and propagule availability implicated as the most likely factors. Furthermore, …
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Apraxia: anaylsis of assessment and rehabilitation
… which charted the 'natural history' process in recovery of apraxia using task performance and kinematic analysis as outcome measures. Evidence for spontaneous recovery over a six week period was shown in one case. Four single case ABA design investigations were then carried out on individuals …
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Diffuse Damage Repair Mechanism in Bone
… regions in bone, as assessed functionally by recovery of mechanical properties, can occur ex-vivo in the absence of viable osteocytes. Then we tested whether mineral deposition is an essential component of repair of diffuse damage in vivo, in order to gain insight into the importance of …