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.
Results
Showing 1 to 19 of 19 for “"double dissociation"”.
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Functional dissociation between visual and spatial temporary maintenance
… the present work was to explore the functional dissociation between visual and spatial working memory systems by the use of dual-task interference methodology. Two temporary maintenance tasks that are putatively assumed to rely on visual and spatial memory resources respectively, i.e., retention …
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Cognitive functioning in familial and nonfamilial groups at high-risk for schizophrenia
… effect on a measure of verbal learning and a double dissociation on auditory and visual working memory tasks. It appears that familial risk may be more associated with deficits on tasks that rely upon rapid encoding and organization of visual information, while nonfamilial risk demonstrated a …
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Is comprehension necessary for error detection? A conflict-based account of monitoring in speech production
… monitor, however, cannot explain the double dissociation between comprehension and error-detection ability observed in the aphasic patients. We propose a new theory of speech-error detection which is, instead, based on the production process itself. The theory borrows from studies of …
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Seeking the neural basis of grammar : English noun and verb morphological processing investigated with rapid event-related fMRI and intracortical electrophysiology
… Regularly and Irregularly inflected verbs show a double dissociation of activation in frontal and medial regions, 7.) Processing of English noun more than verb morphology may rely on some contribution from number processing brain systems ...
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Intraindividual Variability as a Correlate of White Matter Decline
… the first aim examined evidence for a double dissociation between aspects of cognitive performance and neuroanatomical structure, such that the coefficient of variation (CoV, a measure of IIV) would uniquely be associated with white matter while median RT associated with gray matter …
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Reinterpreting selective impairments in memory: computational and empirical simulations of dissociations in amnesia
… Simulations 1-2 and Experiments 1-2 simulate a dissociation between classification and recognition. All four analyses are consistent with the original results. Simulation 3 and Experiment 3 simulate single and double dissociations between tachistoscopic identification and recognition. The …
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The functional and neural basis of belief and desire reasoning
… for healthy adults. In Chapter 5, I document a double dissociation in adults with acquired brain damage showing that the processes mediating self-perspective inhibition and those mediating the reasoning about avoidance desires are executive in nature but functionally and neurally distinct. In …
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Development of Recognition Memory: Process Dissociation of Recollection and Familiarity in Children
… memory were tested. We adapted the Process Dissociation Paradigm (PDP; Jacoby, 1991) to disentangle processes underlying recognition memory in 5-, 7-, and 11-year-olds and adults using a Dual-Process Signal Detection cognitive modelling approach (DPSD; Yonelinas, 1996). Experiments 1 – 6 …
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Rule-dependent and stimulus-dependent visuomotor mappings of other's actions
… transcranial magnetic stimulation (rTMS). The double-dissociation between the effects of offline rTMS to the lateral prefrontal and parietal cortices, on the early and late components, allowed us to hypothesize the presence of two different anatomo-functional pathways: a parieto-(premotor) …
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Self-Reference Elicits Slower Recall for Personality Congruent Adjectives: An Item-Specific Processing Effect
… tests. Results demonstrated an uncrossed double dissociation in self-reference recall speed, wherein self-reported orderliness was associated with slower recall only when the adjectives described orderliness (Study 1; N = 98), and self-reported openness was associated with slower recall …
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Role of prefrontal cortex and cholinergic modulation in attentional performance in rats
… resemble an ‘inverted-U’ shaped function; 2. a double dissociation of mPFC sub-regions on attentional performance, in which the prelimbic cortex (PL) appears to play a role in rCPT performance, compared with a role of the anterior cingulate cortex (ACC) in 5-CSRTT performance; and 3. a role of …
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The impact of acute psychological stress on spatial cognition
… within a single study, of a possible double dissociation of sex differences in cognitive performance following induction of mild psychosocial stress.
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A neuropsychological investigation of verbal and nonverbal fluency: perspectives on asymmetries in frontal lobe functioning
… to be sensitive to frontal lobe functioning. A double dissociation was predicted; the COWAT would be associated with left but not right frontal tasks, but the reverse pattern would be evident for the DFT. Left frontal tasks included the Trail-Making Tests and the Stroop Color-Word Test, whereas …
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Lifestyle, Brain Structure and Cognitive Ageing
… finding is a cross-sectional and longitudinal double dissociation: while cortical thickness declines rapidly with age, it does not relate strongly to cognition, particularly after adjusting cognition for age. Surface area, on the other hand, has only moderate age-effects, but captures cognitive …
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Social cognition in epilepsy
… This finding was unexpected and suggests a double dissociation between ToM and social conditional reasoning. Study 4 investigated the extent to which socio-cognitive impairment was associated with the perceived impact of epilepsy on everyday social functioning. No statistically significant …
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Haptic-based object-directed behavior: the role of parietal operculum.
… primary motor cortex (M1). By means of double coil TMS paradigm we were able to asses on five healthy volunteers the functional interaction occurring between these two regions, defining the optimal spot located into the left OP region that was producing the highest inhibition on motor …
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Seizure prediction and control in epilepsy
… PS and healthy subjects. Results revealed a double dissociation between the mechanisms of mental simulation involved in biological and non-biologial movement simulation. While for PS were found large errors for simulation of biological movements, while being more acurate than healthy subjects …
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Analisi dell’espressione della fosfoERK quale strumento di indagine per la caratterizzazione della sensibilità alle sostanze d’abuso in linee di ratti geneticamente selezionati
… breeding of these rat lines resulted in a double dissociation of the effects of acute ethanol on ERK phosphorylation in brain regions critical for ethanol’s psychopharmacological effects. Furthermore, these results extend to pERK expression previous findings on the greater sensitivity to …
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Semantische Repräsentation, obligatorische Aktivierung und verbale Produktion arithmetischer Fakten
… L. (1997). Cerebral pathways for calculation: double dissociation between rote verbal and quantitative knowledge of arithmetic. Cortex, 33, 219-250. Dehaene, S., Piazza, M., Pinel, P., & Cohen, L. (2003). Three parietal circuits for number processing. Cognitive Neuropsychology, 20, 487-506. …