Developmental Psychology Commons^™

Representation Of Reward And Risk In The Brain’S Motor System: Studies In Adolescents And Adults, Xingjie Chen

Doctoral Dissertations

In the neuroscience of economic decision making, the brain’s motor system has been ascribed a role in implementing choice actions. However, recent work has revealed canonical motor signals much in advance of choice action, possibly indicating their role in evaluation of decision options. In the current dissertation, we applied multimodal neuroimaging combining EEG and fMRI and used a novel paradigm that temporally separated the evaluation phase from the action phase of a decision-making process to investigate the mechanisms through which the motor control system contributes to decision making. Additionally, we further examined the developmental changes during the two phases of …

Mindfulness And Self-Compassion: Exploring Pathways To Adolescent Emotional Well-Being, Karen Leslie Bluth

Doctoral Dissertations

Adolescents today are confronted with the compounded stressors of life in our high-pressured society and the cognitive, physiological, and emotional changes that are characteristic of this stage of development. As a result, they often struggle with self-doubt, leading to depression, anxiety, and maladaptive trajectories. Mindfulness, or paying attention in the moment in an intentional and purposeful way, has been reported to have positive effects on emotional well-being in adults, and shows promise for similar results in recent research with children and adolescents.

Moreover, the mechanisms through which being mindful achieves positive outcomes has only recently been explored, and has not …