Castrellon, JJ, Seaman, KL, McAllister, GA, Crawford, JL, Young, JS, Smith, CT, Dang, LC, Hsu, M, Morris, ED, Cowan, RL, Zald, DH, & Samanez-Larkin, GR. (2018) Individual differences in dopamine are associated with reward discounting in clinical groups but not in healthy adults. The Journal of Neuroscience. doi: 10.1523/JNEUROSCI.1984-18.2018 Data: https://osf.io/htq56/ and https://neurovault.org/collections/ZPFBVXPK/
Seaman, K.L., Green, M., & Samanez-Larkin, G.R. (2018) Individual differences in loss aversion and preferences for skewed risks across adulthood. Psychology and Aging, 33, 654-659. doi: 10.1037/pag0000261 Data: https://osf.io/rm2we/
Seaman, K.L., Brooks, N., Karrer, T.M., Dang, L., Hsu, M., Zald, D.H., Samanez-Larkin, G.R. (2018) Neural subjective value representations across age and discount factors: Time delay, physical effort, and probability discounting. Social, Cognitive, and Affective Neuroscience, 13, 449-459. doi: 10.1093/scan/nsy021 Data: https://osf.io/26mqt/ and https://neurovault.org/collections/3184/
Seaman, K.L., Leong, J., Wu, C.C., Knutson, B., Samanez-Larkin, G.R. (2017). Individual differences in skewed financial risk taking across the adult life span. Cognitive, Affective, and Behavioral Neuroscience, 17, 1232-1241. doi: 10.3758/s13415-017-0545-5 Data: https://osf.io/vbw3v/
Seaman, K.L., Gorlick, M.A., Vekaria, K.M., Hsu, M., Zald, D.H., & Samanez-Larkin, G.R. (2016) Adult age differences in decision making across domains: Increased discounting of social and health-related rewards. Psychology and Aging, 31, 737-746. doi: 10.1037/pag0000131 Data: https://osf.io/94225/
Seaman, K.L., Stillman, C.M., Howard, D.V., & Howard, J.H., Jr. (2015). Risky decision-making is associated with residential choice in healthy older adults. Frontiers in Psychology, doi: 10.3389/fpsyg.2015.01192
Dopamine and Aging
Seaman, KL, Juarez, EJ, Smith, CT, Dang, LC, Castrellon, JJ, Burgess, L, San Juan, MD, Kundzicz, PM, Cowan, RL, Zald, DH, Samanez-Larkin, GR. (in press) Differential regional decline in dopamine receptor availability across adulthood: Linear and nonlinear effects of age. Human Brain Mapping. doi: 10.1002/hbm.24585 Preprint: https://doi.org/10.1101/358200 Data: https://osf.io/h67k4/ Webapp: http://188.8.131.52:3838/agebp/
Smith, C.T., Crawford, J.L., Dang, L.C., Seaman, K.L., Juan, D.S., Katz, D.T., Matuskey, D., Cowan, R.L., Morris, E.D., Zald, D.H., Samanez-Larkin, G.R. (2017). Effects of partial-volume correction on estimated dopamine D2-like receptor binding potential and adult age effects. Journal of Cerebral Blood Flow and Metabolism. doi: 10.1177/0271678X17737693 Data: https://osf.io/wfk6j/
Sequence and Prediction Learning
Stillman, C.M., You, X., Seaman, K.L., Vaidya, C.J., Howard, J.H., Jr., & Howard, D.V. (2016) Caudate functional connectivity mediates the association between trait mindfulness and implicit learning. Cognitive, Affective, and Behavioral Neuroscience, doi: 3758/s13415-016-0427-2.
Seaman, K. L., Howard, D. V, & Howard, J. H. (2015). Adult age differences in subjective and objective measures of strategy use on a sequentially cued prediction task. Aging, Neuropsychology, and Cognition, 22, 170-182. doi: 10.1080/13825585.2014.898736
Forman-Alberti, A., Seaman, K.L., Howard, D.V., & Howard, J.H., Jr. (2014). Event simultaneity reduces age deficit in implicit probabilistic sequence learning task. The International Journal of Aging and Human Development, 79, 211-223, doi: 10.2190/AG.79.3.b
Seaman, K.L., Howard, D.V., & Howard, J.H., Jr. (2014). Adult age differences in learning on a sequentially cued prediction task. Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 69, 686-694. doi: 10.1093/geronb/gbt057.
Gong, X, Seaman, KL, Lockenhoff, CE, Fung, H, Lang, F (2018). Development and Validation of a Short Version of Social-Motivation Questionnaire. The Gerontologist. doi: 10.1093/geront/gny121