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Neural Circuits Involved In Mental Arithmetic: Evidence From Customized Arithmetic Training, Christian Battista
Neural Circuits Involved In Mental Arithmetic: Evidence From Customized Arithmetic Training, Christian Battista
Electronic Thesis and Dissertation Repository
An arithmetic training study was conducted using a novel paradigm known as Customized Arithmetic Training (CAT). Using the CAT system, self-reports obtained from the participants were used to generate individually tailored problem sets. These problem sets balanced strategy use such that each participant started with an equal amount of problems solved by fact retrieval (e.g., 2 + 2 = 4) and an equal amount of problems solved by procedural calculation (e.g., 34 + 37). Following the training period, participants solved trained and untrained problems from their customized arithmetic sets while undergoing an fMRI scan, after which they again provided self-reported …
The Influence Of Proficiency And Age Of Acquisition On Second Language Processing: An Fmri Study Of Mandarin-English Bilinguals, Emily S. Nichols
The Influence Of Proficiency And Age Of Acquisition On Second Language Processing: An Fmri Study Of Mandarin-English Bilinguals, Emily S. Nichols
Electronic Thesis and Dissertation Repository
Research investigating the neural correlates of second language (L2) processing has usually studied age of acquisition (AoA) and proficiency separately. Presently, we examined both in parallel, treated as continuous variables. We used fMRI to study neural activity for L2 processing in adult native Mandarin speakers who are L2 English speakers. Behavioral measures of language proficiency and AoA were obtained from subjects prior to performing a picture-word matching task during an fMRI scan. Brain activity during L2 English processing was shown to be independently affected by AoA and proficiency; activity in left superior temporal gyrus and right parahippocampal gyrus was modulated …
Flexibly Adapting To Emotional Cues: Examining The Functional And Structural Correlates Of Emotional Reactivity And Emotion Control In Healthy And Depressed Individuals, Steven G. Greening
Flexibly Adapting To Emotional Cues: Examining The Functional And Structural Correlates Of Emotional Reactivity And Emotion Control In Healthy And Depressed Individuals, Steven G. Greening
Electronic Thesis and Dissertation Repository
The ability of emotionally significant stimuli to bias our behaviour is an evolutionarily adaptive phenomenon. However, sometimes emotions become excessive, inappropriate, and even pathological, like in major depressive disorder (MDD). Emotional flexibility includes both the neural processes involved in reacting to, or representing, emotional significance, and those involved in controlling emotional reactivity. MDD represents a potentially distinct form of emotion (in)flexibility, and therefore offers a unique perspective for understanding both the integration of conflicting emotional cues and the neural regions involved in actively controlling emotional systems.
The present investigation of emotional flexibility began by considering the functional neural correlates of …