Search Results - "Dang, Linh C."

Partial-volume correction increases estimated dopamine D2-like receptor binding potential and reduces adult age differences by Smith, Christopher T, Crawford, Jennifer L, Dang, Linh C, Seaman, Kendra L, San Juan, M Danica, Vijay, Aishwarya, Katz, Daniel T, Matuskey, David, Cowan, Ronald L, Morris, Evan D, Zald, David H, Samanez-Larkin, Gregory R

“…The relatively modest spatial resolution of positron emission tomography (PET) increases the likelihood of partial volume effects such that binding potential…”
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Modulation of impulsivity and reward sensitivity in intertemporal choice by striatal and midbrain dopamine synthesis in healthy adults by Smith, Christopher T, Wallace, Deanna L, Dang, Linh C, Aarts, Esther, Jagust, William J, D'Esposito, Mark, Boettiger, Charlotte A

“…Converging evidence links individual differences in mesolimbic and mesocortical dopamine (DA) to variation in the tendency to choose immediate rewards ("Now")…”
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Mesolimbic dopamine D2 receptors and neural representations of subjective value by Castrellon, Jaime J., Young, Jacob S., Dang, Linh C., Cowan, Ronald L., Zald, David H., Samanez-Larkin, Gregory R.

“…The process by which the value of delayed rewards is discounted varies from person to person. It has been suggested that these individual differences in…”
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Dorsal striatal dopamine, food preference and health perception in humans by Wallace, Deanna L, Aarts, Esther, Dang, Linh C, Greer, Stephanie M, Jagust, William J, D'Esposito, Mark

“…To date, few studies have explored the neurochemical mechanisms supporting individual differences in food preference in humans. Here we investigate how dorsal…”
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Dopamine supports coupling of attention-related networks by Dang, Linh C, O'Neil, James P, Jagust, William J

“…Attentional processing has been associated with the dorsal attention, default mode, and frontoparietal control networks. The dorsal attention network is…”
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Associations between dopamine D2 receptor availability and BMI depend on age by Dang, Linh C., Samanez-Larkin, Gregory R., Castrellon, Jaime J., Perkins, Scott F., Cowan, Ronald L., Zald, David H.

“…The dopamine D2/3 receptor subtypes (DRD2/3) are the most widely studied neurotransmitter biomarker in research on obesity, but results to date have been…”
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Differential regional decline in dopamine receptor availability across adulthood: Linear and nonlinear effects of age by Seaman, Kendra L., Smith, Christopher T., Juarez, Eric J., Dang, Linh C., Castrellon, Jaime J., Burgess, Leah L., San Juan, M. Danica, Kundzicz, Paul M., Cowan, Ronald L., Zald, David H., Samanez‐Larkin, Gregory R.

“…Theories of adult brain development, based on neuropsychological test results and structural neuroimaging, suggest differential rates of age‐related change in…”
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Subjective value representations during effort, probability and time discounting across adulthood by Seaman, Kendra L, Brooks, Nickolas, Karrer, Teresa M, Castrellon, Jaime J, Perkins, Scott F, Dang, Linh C, Hsu, Ming, Zald, David H, Samanez-Larkin, Gregory R

“…Abstract Every day, humans make countless decisions that require the integration of information about potential benefits (i.e. rewards) with other decision…”
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Dopamine and the Cognitive Downside of a Promised Bonus by Aarts, Esther, Wallace, Deanna L., Dang, Linh C., Jagust, William J., Cools, Roshan, D'Esposito, Mark

“…It is often assumed that the promise of a monetary bonus improves cognitive control. We show that in fact appetitive motivation can also impair cognitive…”
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Reduced effects of age on dopamine D2 receptor levels in physically active adults by Dang, Linh C., Castrellon, Jaime J., Perkins, Scott F., Le, Nam T., Cowan, Ronald L., Zald, David H., Samanez-Larkin, Gregory R.

“…Physical activity has been shown to ameliorate dopaminergic degeneration in non-human animal models. However, the effects of regular physical activity on…”
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Striatal dopamine influences the default mode network to affect shifting between object features by Dang, Linh C, Donde, Aneesh, Madison, Cindee, O'Neil, James P, Jagust, William J

“…Cognitive flexibility or the ability to change behavior in response to external cues is conceptualized as two processes: one for shifting between perceptual…”
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Individual Differences in Dopamine Are Associated with Reward Discounting in Clinical Groups But Not in Healthy Adults by Castrellon, Jaime J, Seaman, Kendra L, Crawford, Jennifer L, Young, Jacob S, Smith, Christopher T, Dang, Linh C, Hsu, Ming, Cowan, Ronald L, Zald, David H, Samanez-Larkin, Gregory R

“…Some people are more willing to make immediate, risky, or costly reward-focused choices than others, which has been hypothesized to be associated with…”
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Caudate asymmetry is related to attentional impulsivity and an objective measure of ADHD-like attentional problems in healthy adults by Dang, Linh C., Samanez-Larkin, Gregory R., Young, Jacob S., Cowan, Ronald L., Kessler, Robert M., Zald, David H.

“…Case–control studies comparing ADHD with typically developing individuals suggest that anatomical asymmetry of the caudate nucleus is a marker of attention…”
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FTO affects food cravings and interacts with age to influence age-related decline in food cravings by Dang, Linh C., Samanez-Larkin, Gregory R., Smith, Christopher T., Castrellon, Jaime J., Perkins, Scott F., Cowan, Ronald L., Claassen, Daniel O., Zald, David H.

“…The fat mass and obesity associated gene (FTO) was the first gene identified by genome-wide association studies to correlate with higher body mass index (BMI)…”
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Lack of consistent sex differences in d-amphetamine-induced dopamine release measured with [18F]fallypride PET by Smith, Christopher T., Dang, Linh C., Burgess, Leah L., Perkins, Scott F., San Juan, M. Danica, Smith, Darcy K., Cowan, Ronald L., Le, Nam T., Kessler, Robert M., Samanez-Larkin, Gregory R., Zald, David H.

“…Rationale Sex differences in the dopaminergic response to psychostimulants could have implications for drug abuse risk and other psychopathology involving the…”
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Reproducibility of the Correlative Triad Among Aging, Dopamine Receptor Availability, and Cognition by Juarez, Eric J., Castrellon, Jaime J., Green, Mikella A., Crawford, Jennifer L., Seaman, Kendra L., Smith, Christopher T., Dang, Linh C., Matuskey, David, Morris, Evan D., Cowan, Ronald L., Zald, David H., Samanez-Larkin, Gregory R.

“…The evidence that dopamine function mediates the association between aging and cognition is one of the most cited findings in the cognitive neuroscience of…”
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Individual differences in dopamine D2 receptor availability correlate with reward valuation by Dang, Linh C., Samanez-Larkin, Gregory R., Castrellon, Jaime J., Perkins, Scott F., Cowan, Ronald L., Zald, David H.

“…Reward valuation, which underlies all value-based decision-making, has been associated with dopamine function in many studies of nonhuman animals, but there is…”
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Genetic effects on behavior are mediated by neurotransmitters and large-scale neural networks by Dang, Linh C., O'Neil, James P., Jagust, William J.

“…Claims of gene–behavior associations are complex and sometimes difficult to replicate because these relationships involve many downstream endogenous and…”
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Individual differences in dopamine D 2 receptor availability correlate with reward valuation by Dang, Linh C, Samanez-Larkin, Gregory R, Castrellon, Jaime J, Perkins, Scott F, Cowan, Ronald L, Zald, David H

“…Reward valuation, which underlies all value-based decision-making, has been associated with dopamine function in many studies of nonhuman animals, but there is…”
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Spontaneous Eye Blink Rate (EBR) Is Uncorrelated with Dopamine D2 Receptor Availability and Unmodulated by Dopamine Agonism in Healthy Adults by Dang, Linh C, Samanez-Larkin, Gregory R, Castrellon, Jaime J, Perkins, Scott F, Cowan, Ronald L, Newhouse, Paul A, Zald, David H

“…Spontaneous eye blink rate (EBR) has been proposed as a noninvasive, inexpensive marker of dopamine functioning. Support for a relation between EBR and…”
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