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Items: 1 to 20 of 53


Ventral striatal dopamine transporter availability is associated with lower trait motor impulsivity in healthy adults.

Smith CT, San Juan MD, Dang LC, Katz DT, Perkins SF, Burgess LL, Cowan RL, Manning HC, Nickels ML, Claassen DO, Samanez-Larkin GR, Zald DH.

Transl Psychiatry. 2018 Dec 7;8(1):269. doi: 10.1038/s41398-018-0328-y.


Individual Differences in Dopamine Are Associated with Reward Discounting in Clinical Groups But Not in Healthy Adults.

Castrellon JJ, Seaman KL, Crawford JL, Young JS, Smith CT, Dang LC, Hsu M, Cowan RL, Zald DH, Samanez-Larkin GR.

J Neurosci. 2019 Jan 9;39(2):321-332. doi: 10.1523/JNEUROSCI.1984-18.2018. Epub 2018 Nov 16.


Lack of consistent sex differences in D-amphetamine-induced dopamine release measured with [18F]fallypride PET.

Smith CT, Dang LC, Burgess LL, Perkins SF, San Juan MD, Smith DK, Cowan RL, Le NT, Kessler RM, Samanez-Larkin GR, Zald DH.

Psychopharmacology (Berl). 2019 Feb;236(2):581-590. doi: 10.1007/s00213-018-5083-5. Epub 2018 Oct 22.


Age Effects in Sequence-Construction for a Continuous Cognitive Task: Similar Sequence-Trends but Fewer Switch-Points.

Löckenhoff CE, Rutt JL, Samanez-Larkin GR, Gallagher C, O'Donoghue T, Reyna VF.

J Gerontol B Psychol Sci Soc Sci. 2018 Aug 10. doi: 10.1093/geronb/gby090. [Epub ahead of print]


Distinct neural circuits support incentivized inhibition.

Leong JK, MacNiven KH, Samanez-Larkin GR, Knutson B.

Neuroimage. 2018 Sep;178:435-444. doi: 10.1016/j.neuroimage.2018.05.055. Epub 2018 May 24.


Individual differences in loss aversion and preferences for skewed risks across adulthood.

Seaman KL, Green MA, Shu S, Samanez-Larkin GR.

Psychol Aging. 2018 Jun;33(4):654-659. doi: 10.1037/pag0000261. Epub 2018 May 17.


Individual differences in dopamine D2 receptor availability correlate with reward valuation.

Dang LC, Samanez-Larkin GR, Castrellon JJ, Perkins SF, Cowan RL, Zald DH.

Cogn Affect Behav Neurosci. 2018 Aug;18(4):739-747. doi: 10.3758/s13415-018-0601-9.


Emotional arousal may increase susceptibility to fraud in older and younger adults.

Kircanski K, Notthoff N, DeLiema M, Samanez-Larkin GR, Shadel D, Mottola G, Carstensen LL, Gotlib IH.

Psychol Aging. 2018 Mar;33(2):325-337. doi: 10.1037/pag0000228.


Subjective value representations during effort, probability and time discounting across adulthood.

Seaman KL, Brooks N, Karrer TM, Castrellon JJ, Perkins SF, Dang LC, Hsu M, Zald DH, Samanez-Larkin GR.

Soc Cogn Affect Neurosci. 2018 May 1;13(5):449-459. doi: 10.1093/scan/nsy021.


Emotion identification across adulthood using the Dynamic FACES database of emotional expressions in younger, middle aged, and older adults.

Holland CAC, Ebner NC, Lin T, Samanez-Larkin GR.

Cogn Emot. 2019 Mar;33(2):245-257. doi: 10.1080/02699931.2018.1445981. Epub 2018 Mar 29.


FTO affects food cravings and interacts with age to influence age-related decline in food cravings.

Dang LC, Samanez-Larkin GR, Smith CT, Castrellon JJ, Perkins SF, Cowan RL, Claassen DO, Zald DH.

Physiol Behav. 2018 Aug 1;192:188-193. doi: 10.1016/j.physbeh.2017.12.013. Epub 2017 Dec 9.


Partial-volume correction increases estimated dopamine D2-like receptor binding potential and reduces adult age differences.

Smith CT, Crawford JL, Dang LC, Seaman KL, San Juan MD, Vijay A, Katz DT, Matuskey D, Cowan RL, Morris ED, Zald DH, Samanez-Larkin GR.

J Cereb Blood Flow Metab. 2017 Jan 1:271678X17737693. doi: 10.1177/0271678X17737693. [Epub ahead of print]


Individual differences in skewed financial risk-taking across the adult life span.

Seaman KL, Leong JK, Wu CC, Knutson B, Samanez-Larkin GR.

Cogn Affect Behav Neurosci. 2017 Dec;17(6):1232-1241. doi: 10.3758/s13415-017-0545-5.


Preferences for Temporal Sequences of Real Outcomes Differ Across Domains but do not Vary by Age.

Löckenhoff CE, Rutt JL, Samanez-Larkin GR, O'Donoghue T, Reyna VF.

J Gerontol B Psychol Sci Soc Sci. 2019 Feb 15;74(3):430-439. doi: 10.1093/geronb/gbx094.


Spontaneous Eye Blink Rate (EBR) Is Uncorrelated with Dopamine D2 Receptor Availability and Unmodulated by Dopamine Agonism in Healthy Adults.

Dang LC, Samanez-Larkin GR, Castrellon JJ, Perkins SF, Cowan RL, Newhouse PA, Zald DH.

eNeuro. 2017 Sep 18;4(5). pii: ENEURO.0211-17.2017. doi: 10.1523/ENEURO.0211-17.2017. eCollection 2017 Sep-Oct.


Disrupted Prefrontal Regulation of Striatal Subjective Value Signals in Psychopathy.

Hosking JG, Kastman EK, Dorfman HM, Samanez-Larkin GR, Baskin-Sommers A, Kiehl KA, Newman JP, Buckholtz JW.

Neuron. 2017 Jul 5;95(1):221-231.e4. doi: 10.1016/j.neuron.2017.06.030.


Reduced dopamine receptors and transporters but not synthesis capacity in normal aging adults: a meta-analysis.

Karrer TM, Josef AK, Mata R, Morris ED, Samanez-Larkin GR.

Neurobiol Aging. 2017 Sep;57:36-46. doi: 10.1016/j.neurobiolaging.2017.05.006. Epub 2017 May 12.


Reduced effects of age on dopamine D2 receptor levels in physically active adults.

Dang LC, Castrellon JJ, Perkins SF, Le NT, Cowan RL, Zald DH, Samanez-Larkin GR.

Neuroimage. 2017 Mar 1;148:123-129. doi: 10.1016/j.neuroimage.2017.01.018. Epub 2017 Jan 10.


Dread sensitivity in decisions about real and imagined electrical shocks does not vary by age.

Löckenhoff CE, Rutt JL, Samanez-Larkin GR, O'Donoghue T, Reyna VF, Ganzel B.

Psychol Aging. 2016 Dec;31(8):890-901. doi: 10.1037/pag0000136.


Adult age differences in decision making across domains: Increased discounting of social and health-related rewards.

Seaman KL, Gorlick MA, Vekaria KM, Hsu M, Zald DH, Samanez-Larkin GR.

Psychol Aging. 2016 Nov;31(7):737-746. doi: 10.1037/pag0000131.

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