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Psychopathy, Empathic Concern, And Emotional-Sentence Processing: An N400 Erp Study, Farren Larson
Psychopathy, Empathic Concern, And Emotional-Sentence Processing: An N400 Erp Study, Farren Larson
Student Theses
Using an undergraduate sample, the present study examined how psychopathic traits (assessed by the Psychopathic Personality Inventory-Revised) and empathic concern (assessed by the Interpersonal Reactivity Index) affect emotional-information processing using event-related potentials (ERPs) and a sentential priming paradigm. Participants had their electroencephalogram (EEG) recorded while they silently read sentences with three types of endings: congruent, incongruent, and emotionally negative. We hypothesized that participants with high levels of psychopathic traits and participants with low levels of empathic concern would find the emotionally negative sentence endings less unexpected and disturbing (yielding a smaller N400), compared to participants with low levels of psychopathic …
Examination Of The Cognitive Mechanisms Underlying Evaluative And Semantic Priming Effects By Varying Task Instructions: An Erp Study, Jennifer Hilda Taylor
Examination Of The Cognitive Mechanisms Underlying Evaluative And Semantic Priming Effects By Varying Task Instructions: An Erp Study, Jennifer Hilda Taylor
Open Access Theses & Dissertations
This study examined the cognitive processes that underlie stimulus identification and the activation of attitudes by investigating behavioral and psychophysiological effects in a priming paradigm. Cognitive mechanisms were investigated by examining evaluative and semantic priming effects on behavioral response times, the N400, and LPP event-related potential (ERP) components by varying tasks between-subjects. Participants either completed an evaluative task, a semantic task, or a feature-detection task. It was hypothesized that the behavioral evaluative priming effect would occur in the evaluative task and that the behavioral semantic priming effect would occur in the semantic and feature-detection tasks. The N400 was hypothesized to …
The N400 Erp: Semantic Vs. Evaluative Incongruities, Jennifer Hilda Taylor
The N400 Erp: Semantic Vs. Evaluative Incongruities, Jennifer Hilda Taylor
Open Access Theses & Dissertations
The objective of this research was to utilize both behavioral (response times) and psychophysiological measures (ERPs - N400 & Pre-response Positivity) to uncover the cognitive mechanism responsible for the evaluative priming effect (spreading activation vs. response competition) by controlling for semantic influences. This research project examined the evaluative incongruity effect by controlling for semantic influences in two separate studies. The first study kept semantic associations among word pairs completely random, while the second study controlled for semantic associations by either pairing words from the same semantic category (e.g., animal-animal) or from different semantic categories (e.g., animal-person). Participants completed an evaluative …