Addis, DR, Pan, L, Vu, M-A, Laiser, N and Schacter, DL (2009) Constructive episodic simulation of the future and the past: distinct subsystems of a core brain network mediate imagining and remembering. Neuropsychologia 47, 2222–2238.
Amlung, M, Vedelago, L, Acker, J, Balodis, I and MacKillop, J (2017) Steep delay discounting and addictive behavior: a meta-analysis of continuous associations. Addiction 112, 51–62.
Andreoni, J and Sprenger, C (2012) Risk preferences are not time preferences. American Economic Review 102, 3357–3376.
Anokhin, AP, Golosheykin, S, Grant, JD and Heath, AC (2011) Heritability of delay discounting in adolescence: a longitudinal twin study. Behavior Genetics 41, 175–183.
Anokhin, AP, Grant, JD, Mulligan, RC and Heath, AC (2014) The genetics of impulsivity: evidence for the heritability of delay discounting. Biological Psychiatry 77, 887–894.
Audrain-McGovern, J, Rodriguez, D, Epstein, LH, Cuevas, J, Rodgers, K and Wileyto, EP (2009) Does delay discounting play an etiological role in smoking or is it a consequence of smoking? Drug and Alcohol Dependence 103, 99–106.
Avsar, KB, Weller, RE, Cox, JE, Reid, MA, White, DM and Lahti, AC (2013) An fMRI investigation of delay discounting in patients with schizophrenia. Brain and Behavior 3, 384–401.
Barker, V, Romaniuk, L, Cardinal, RN, Pope, M, Nicol, K and Hall, J (2015) Impulsivity in borderline personality disorder. Psychological Medicine 45, 1955–1964.
Bartels, DM and Urminsky, O (2015) To know and to care: how awareness and valuation of the future jointly shape consumer spending. Journal of Consumer Research 41, 1469–1485.
Bartholdy, S, Rennalls, S, Danby, H, Jacques, C, Campbell, IC, Schmidt, U and O'Daly, OG (2017) Temporal discounting and the tendency to delay gratification across the eating disorder spectrum. European Eating Disorders Review 25, 344–350.
Bartra, O, McGuire, JT and Kable, JW (2013) The valuation system: a coordinate-based meta-analysis of BOLD fMRI experiments examining neural correlates of subjective value. NeuroImage 76, 412–427.
Benoit, RG, Gilbert, SJ and Burgess, PW (2011) A neural mechanism mediating the impact of episodic prospection on farsighted decisions. The Journal of Neuroscience 31, 6771–6779.
Bickel, WK (2015) Discounting of delayed rewards as an endophenotype. Biological Psychiatry 77, 846–847.
Bickel, WK, Jarmolowicz, DP, Mueller, ET, Koffarnus, MN and Gatchalian, KM (2012) Excessive discounting of delayed reinforcers as a trans-disease process contributing to addiction and other disease-related vulnerabilities: emerging evidence. Pharmacology & Therapeutics 134, 287–297.
Bickel, WK, Wilson, AG, Chen, C, Koffarnus, MN and Franck, CT (2016) Stuck in time: negative income shock constricts the temporal window of valuation spanning the future and the past. PLoS ONE 11, e0163051.
Bickel, WK, Yi, R, Kowal, BP and Gatchalian, KM (2008) Cigarette smokers discount past and future rewards symmetrically and more than controls: is discounting a measure of impulsivity? Drug and Alcohol Dependence 96, 256–262.
Blanchard, TC and Hayden, BY (2015) Monkeys are more patient in a foraging task than in a standard intertemporal choice task. PLoS ONE 10, e0117057.
Burrow, AL and Spreng, RN (2016) Waiting with purpose: a reliable but small association between purpose in life and impulsivity. Personality and Individual Differences 90, 187–189.
Camille, N, Griffiths, CA, Vo, K, Fellows, LK and Kable, JW (2011) Ventromedial frontal lobe damage disrupts value maximization in humans. Journal of Neuroscience 31, 7527–7532.
Carlisi, CO, Norman, L, Murphy, CM, Christakou, A, Chantiluke, K, Giampietro, V, Simmons, A, Brammer, M, Murphy, DG, Mataix-Cols, D, Rubia, K and Rubia, K (2017) Comparison of neural substrates of temporal discounting between youth with autism spectrum disorder and with obsessive-compulsive disorder. Psychological Medicine 47, 2513–2527.
Chesson, HW, Leichliter, JS, Zimet, GD, Rosenthal, SL, Bernstein, DI and Fife, KH (2006) Discount rates and risky sexual behaviors among teenagers and young adults. Journal of Risk and Uncertainty 32, 217–230.
Cools, R, Nakamura, K and Daw, ND (2011) Serotonin and dopamine: unifying affective, activational, and decision functions. Neuropsychopharmacology 36, 98–113.
Decker, JH, Figner, B and Steinglass, JE (2015) On weight and waiting: delay discounting in anorexia nervosa pretreatment and posttreatment. Biological Psychiatry 78, 606–614.
de Wit, H, Enggasser, JL and Richards, JB (2002) Acute administration of d-amphetamine decreases impulsivity in healthy volunteers. Neuropsychopharmacology 27, 813–825.
de Wit, H, Flory, JD, Acheson, A, McCloskey, M and Manuck, SB (2007) IQ and nonplanning impulsivity are independently associated with delay discounting in middle-aged adults. Personality and Individual Differences 42, 111–121.
Dom, G, De Wilde, B, Hulstijn, W, van den Brink, W and Sabbe, B (2006) Decision-making deficits in alcohol-dependent patients with and without comorbid personality disorder. Alcoholism, Clinical and Experimental Research 30, 1670–1677.
Dombrovski, AY, Szanto, K, Siegle, GJ, Wallace, ML, Forman, SD, Sahakian, B, Reynolds, CF and Clark, L (2011) Lethal forethought: delayed reward discounting differentiates high- and low-lethality suicide attempts in old age. Biological Psychiatry 70, 138–144.
Doya, K (2002) Metalearning and neuromodulation. Neural Networks 15, 495–506.
Doyle, JR (2013) Survey of time preference, delay discounting models. Judgment and Decision Making 8, 116–135.
Duckworth, AL and Kern, ML (2011) A meta-analysis of the convergent validity of self-control measures. Journal of Research in Personality 45, 259–268.
Figner, B, Knoch, D, Johnson, EJ, Krosch, AR, Lisanby, SH, Fehr, E and Weber, EU (2010) Lateral prefrontal cortex and self-control in intertemporal choice. Nature Neuroscience 13, 538–539.
Foerde, K, Figner, B, Doll, BB, Woyke, IC, Braun, EK, Weber, EU and Shohamy, D (2016) Dopamine modulation of intertemporal decision-making: evidence from Parkinson disease. Journal of Cognitive Neuroscience 28, 657–667.
Green, L and Myerson, J (2004) A discounting framework for choice with delayed and probabilistic rewards. Psychological Bulletin 130, 769–792.
Green, L, Myerson, J, Lichtman, D, Rosen, S and Fry, A (1996) Temporal discounting in choice between delayed rewards: the role of age and income. Psychology and Aging 11, 79–84.
Green, L, Myerson, J and McFadden, E (1997) Rate of temporal discounting decreases with amount of reward. Memory & Cognition 25, 715–723.
Halfmann, K, Hedgcock, W, Kable, J and Denburg, NL (2015) Individual differences in the neural signature of subjective value among older adults. Social Cognitive and Affective Neuroscience 11, 1111–1120.
Hardisty, DJ, Thompson, KF, Krantz, DH and Weber, EU (2013) How to measure time preferences: an experimental comparison of three methods. Judgment and Decision Making 22, 479–489.
Hare, TA, Hakimi, S and Rangel, A (2014) Activity in dlPFC and its effective connectivity to vmPFC are associated with temporal discounting. Frontiers in Neuroscience 8, 50.
Hayden, BY (2015) Time discounting and time preference in animals: a critical review. Psychonomic Bulletin & Review 23, 39–53.
Heerey, EA, Matveeva, TM and Gold, JM (2011) Imagining the future: degraded representations of future rewards and events in schizophrenia. Journal of Abnormal Psychology 120, 483–489.
Heil, SH, Johnson, MW, Higgins, ST and Bickel, WK (2006) Delay discounting in currently using and currently abstinent cocaine-dependent outpatients and non-drug-using matched controls. Addictive Behaviors 31, 1290–1294.
Jachimowicz, JM, Chafik, S, Munrat, S, Prabhu, JC and Weber, EU (2017) Community trust reduces myopic decisions of low-income individuals. Proceedings of the National Academy of Sciences of the USA 114, 5401–5406.
Jackson, JNS and MacKillop, J (2016) Attention-deficit/hyperactivity disorder and monetary delay discounting: a meta-analysis of case-control studies. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging 1, 316–325.
Jarmolowicz, DP, Cherry, JBC, Reed, DD, Bruce, JM, Crespi, JM, Lusk, JL and Bruce, AS (2014) Robust relation between temporal discounting rates and body mass. Appetite 78, 63–67.
Jaroni, JL, Wright, SM, Lerman, C and Epstein, LH (2004) Relationship between education and delay discounting in smokers. Addictive Behaviors 29, 1171–1175.
Jimura, K, Chushak, MS and Braver, TS (2013) Impulsivity and self-control during intertemporal decision making linked to the neural dynamics of reward value representation. The Journal of Neuroscience 33, 344–357.
Jimura, K, Chushak, MS, Westbrook, A and Braver, TS (2018) Intertemporal decision-making involves prefrontal control mechanisms associated with working memory. Cerebral Cortex 28, 1105–1116.
Johnson, MW (2012) An efficient operant choice procedure for assessing delay discounting in humans: initial validation in cocaine-dependent and control individuals. Experimental and Clinical Psychopharmacology 20, 191–204.
Johnson, MW and Bickel, WK (2002) Within-subject comparison of real and hypothetical money rewards in delay discounting. Journal of the Experimental Analysis of Behavior 77, 129–146.
Kable, JW and Glimcher, PW (2007) The neural correlates of subjective value during intertemporal choice. Nature Neuroscience 10, 1625–1633.
Kable, JW and Glimcher, PW (2010) An ‘as soon as possible’ effect in human intertemporal decision making: behavioral evidence and neural mechanisms. Journal of Neurophysiology 103, 2513–2531.
Kim, B, Sung, YS and McClure, SM (2012) The neural basis of cultural differences in delay discounting. Philosophical Transactions of the Royal Society B: Biological Sciences 367, 650–656.
King, JA, Geisler, D, Bernardoni, F, Ritschel, F, Böhm, I, Seidel, M, Mennigen, E, Ripke, S, Smolka, MN, Roessner, V and Ehrlich, S (2016) Altered neural efficiency of decision making during temporal reward discounting in anorexia nervosa. Journal of the American Academy of Child & Adolescent Psychiatry 55, 972–979.
Kirby, KN (2009) One-year temporal stability of delay-discount rates. Psychonomic Bulletin & Review 16, 457–462.
Kirby, KN, Petry, NM and Bickel, WK (1999) Heroin addicts have higher discount rates for delayed rewards than non-drug-using controls. Journal of Experimental Psychology: General 128, 78–87.
Kirby, KN, Winston, GC and Santiesteban, M (2005) Impatience and grades: delay-discount rates correlate negatively with college GPA. Learning and Individual Differences 15, 213–222.
Kolling, N, Wittmann, MK, Behrens, TEJ, Boorman, ED, Mars, RB and Rushworth, MFS (2016) Value, search, persistence and model updating in anterior cingulate cortex. Nature Neuroscience 19, 1280–1285.
Lamb, RJ, Maguire, DR, Ginsburg, BC, Pinkston, JW and France, CP (2016) Determinants of choice, and vulnerability and recovery in addiction. Behavioural Processes 127, 35–42.
Lawrance, EC (1991) Poverty and the rate of time preference: evidence from panel data. Journal of Political Economy 99, 54–77.
Lempert, KM, Glimcher, PW and Phelps, EA (2015) Emotional arousal and discount rate in intertemporal choice are reference dependent. Journal of Experimental Psychology: General 144, 366–373.
Lempert, KM and Phelps, EA (2016) The malleability of intertemporal choice. Trends in Cognitive Sciences 20, 64–74.
Lempert, KM, Speer, ME, Delgado, MR and Phelps, EA (2017) Positive autobiographical memory retrieval reduces temporal discounting. Social Cognitive and Affective Neuroscience 12, 1584–1593.
Levy, DJ and Glimcher, PW (2012) The root of all value: a neural common currency for choice. Current Opinion in Neurobiology 22, 1027–1038.
Loewenstein, GF (1988) Frames of mind in intertemporal choice. Management Science 34, 200–214.
Logue, AW, Tobin, H, Chelonis, JJ, Wang, RY, Geary, N and Schachter, S (1992) Cocaine decreases self-control in rats: a preliminary report. Psychopharmacology 109, 245–247.
Lopez-Guzman, S, Konova, AB, Louie, K and Glimcher, PW (2018) Risk preferences impose a hidden distortion on measures of choice impulsivity. PLoS ONE 13, e0191357.
MacKillop, J, Amlung, MT, Few, LR, Ray, LA, Sweet, LH and Munafò, MR (2011) Delayed reward discounting and addictive behavior: a meta-analysis. Psychopharmacology 216, 305–321.
Maia, TV, Huys, QJM and Frank, MJ (2017) Theory-based computational psychiatry. Biological Psychiatry 82, 382–384.
Mason, L, O'Sullivan, N, Blackburn, M, Bentall, R and El-Deredy, W (2012) I want it now! Neural correlates of hypersensitivity to immediate reward in hypomania. Biological Psychiatry 71, 530–537.
Mazur, J (1987) An adjusting procedure for studying delayed reinforcement. In Commons, ML, Mazur, JE and Nevin, JA (eds), Quantitative Analyses of Behavior: Vol. 5: The Effect of Delay and of Intervening Events on Reinforcement Value. Hillsdale, NJ: Erlbaum, pp. 55–73.
Mazur, JE and Biondi, DR (2009) Delay-amount tradeoffs in choices by pigeons and rats: hyperbolic versus exponential discounting. Journal of the Experimental Analysis of Behavior 91, 197–211.
McClelland, J, Dalton, B, Kekic, M, Bartholdy, S, Campbell, IC and Schmidt, U (2016) A systematic review of temporal discounting in eating disorders and obesity: behavioural and neuroimaging findings. Neuroscience and Biobehavioral Reviews 71, 506–528.
McClure, SM, Laibson, DI, Loewenstein, G and Cohen, JD (2004) Separate neural systems value immediate and delayed monetary rewards. Science 306, 503–507.
McGuire, JT and Kable, JW (2012) Decision makers calibrate behavioral persistence on the basis of time-interval experience. Cognition 124, 216–226.
Meier, S and Sprenger, CD (2012) Time discounting predicts creditworthiness. Psychological Science 23, 56–58.
Miedl, SF, Wiswede, D, Marco-Pallarés, J, Ye, Z, Fehr, T, Herrmann, M and Münte, TF (2015) The neural basis of impulsive discounting in pathological gamblers. Brain Imaging and Behavior 9, 887–898.
Miyazaki, K, Miyazaki, KW and Doya, K (2011) Activation of dorsal raphe serotonin neurons underlies waiting for delayed rewards. The Journal of Neuroscience 31, 469–479.
Mobini, S, Chiang, T-J, Ho, M-Y, Bradshaw, CM and Szabadi, E (2000) Effects of central 5-hydroxytryptamine depletion on sensitivity to delayed and probabilistic reinforcement. Psychopharmacology 152, 390–397.
Monterosso, JR, Ainslie, G, Xu, J, Cordova, X, Domier, CP and London, ED (2007) Frontoparietal cortical activity of methamphetamine-dependent and comparison subjects performing a delay discounting task. Human Brain Mapping 28, 383–393.
Myerson, J, Green, L and Warusawitharana, M (2001) Area under the curve as a measure of discounting. Journal of the Experimental Analysis of Behavior 76, 235–243.
Olson, EA, Collins, PF, Hooper, CJ, Muetzel, R, Lim, KO and Luciana, M (2009) White matter integrity predicts delay discounting behavior in 9- to 23-year-olds: a diffusion tensor imaging study. Journal of Cognitive Neuroscience 21, 1406–1421.
Owens, MM, Gray, JC, Amlung, MT, Oshri, A, Sweet, LH and MacKillop, J (2017) Neuroanatomical foundations of delayed reward discounting decision making. NeuroImage 161, 261–270.
Palombo, DJ, Keane, MM and Verfaellie, M (2015) The medial temporal lobes are critical for reward-based decision making under conditions that promote episodic future thinking. Hippocampus 25, 345–353.
Peters, J and Büchel, C (2010) Episodic future thinking reduces reward delay discounting through an enhancement of prefrontal-mediotemporal interactions. Neuron 66, 138–148.
Peters, J and Büchel, C (2011) The neural mechanisms of inter-temporal decision-making: understanding variability. Trends in Cognitive Sciences 15, 227–239.
Peters, J and D'Esposito, M (2016) Effects of medial orbitofrontal cortex lesions on self-control in intertemporal choice. Current Biology 26, 2625–2628.
Petry, NM (2001) Delay discounting of money and alcohol in actively using alcoholics, currently abstinent alcoholics, and controls. Psychopharmacology 154, 243–250.
Pine, A, Shiner, T, Seymour, B and Dolan, RJ (2010) Dopamine, time, and impulsivity in humans. Journal of Neuroscience 30, 8888–8896.
Pinto, A, Steinglass, JE, Greene, AL, Weber, EU and Simpson, HB (2014) Capacity to delay reward differentiates obsessive-compulsive disorder and obsessive-compulsive personality disorder. Biological Psychiatry 75, 653–659.
Radu, PT, Yi, R, Bickel, WK, Gross, JJ and McClure, SM (2011) A mechanism for reducing delay discounting by altering temporal attention. Journal of the Experimental Analysis of Behavior 96, 363–385.
Read, D and Read, N (2004) Time discounting over the lifespan. Organizational Behavior and Human Decision Processes 94, 22–32.
Reynolds, B, Ortengren, A, Richards, JB and de Wit, H (2006) Dimensions of impulsive behavior: personality and behavioral measures. Personality and Individual Differences 40, 305–315.
Ritschel, F, King, JA, Geisler, D, Flohr, L, Neidel, F, Boehm, I, Seidel, M, Zwipp, J, Ripke, S, Smolka, MN, Roessner, V and Ehrlich, S (2015) Temporal delay discounting in acutely ill and weight-recovered patients with anorexia nervosa. Psychological Medicine 45, 1229–1239.
Rosati, AG, Stevens, JR, Hare, B and Hauser, MD (2007) The evolutionary origins of human patience: temporal preferences in chimpanzees, bonobos, and human adults. Current Biology 17, 1663–1668.
Sawicki, P and Białek, M (2016) Side effects in time discounting procedures: fixed alternatives become the reference point. PLoS ONE 11, e0165245.
Schacter, DL, Addis, DR and Buckner, RL (2007) Remembering the past to imagine the future: the prospective brain. Nature Reviews Neuroscience 8, 657–661.
Schweighofer, N, Bertin, M, Shishida, K, Okamoto, Y, Tanaka, SC, Yamawaki, S and Doya, K (2008) Low-serotonin levels increase delayed reward discounting in humans. Journal of Neuroscience 28, 4528–4532.
Senecal, N, Wang, T, Thompson, E and Kable, JW (2012) Normative arguments from experts and peers reduce delay discounting. NIH Public Access Judgment and Decision Making 7, 568–589.
Shah, AK, Mullainathan, S and Shafir, E (2012) Some consequences of having too little. Science 338, 682–685.
Shen, B, Yin, Y, Wang, J, Zhou, X, McClure, SM and Li, J (2016) High-definition tDCS alters impulsivity in a baseline-dependent manner. NeuroImage 143, 343–352.
Shenhav, A, Cohen, JD and Botvinick, MM (2016) Dorsal anterior cingulate cortex and the value of control. Nature Neuroscience 19, 1286–1291.
Silverman, IW (2003) Gender differences in delay of gratification: a meta-analysis. Sex Roles 49, 451–463.
Snider, SE, LaConte, SM and Bickel, WK (2016) Episodic future thinking: expansion of the temporal window in individuals with alcohol dependence. Alcoholism: Clinical and Experimental Research 40, 1558–1566.
Stein, JS, Wilson, AG, Koffarnus, MN, Daniel, TO, Epstein, LH and Bickel, WK (2016) Unstuck in time: episodic future thinking reduces delay discounting and cigarette smoking. Psychopharmacology 233, 3771–3778.
Steinglass, JE, Figner, B, Berkowitz, S, Simpson, HB, Weber, EU and Walsh, BT (2012) Increased capacity to delay reward in anorexia nervosa. Journal of the International Neuropsychological Society 18, 773–780.
Steinglass, JE, Lempert, KM, Choo, T-H, Kimeldorf, MB, Wall, M, Walsh, BT, Fyer, AJ, Schneier, FR and Simpson, HB (2017) Temporal discounting across three psychiatric disorders: anorexia nervosa, obsessive compulsive disorder, and social anxiety disorder. Depression and Anxiety 34, 463–470.
Steward, T, Mestre-Bach, G, Vintró-Alcaraz, C, Agüera, Z, Jiménez-Murcia, S, Granero, R and Fernández-Aranda, F (2017) Delay discounting of reward and impulsivity in eating disorders: from anorexia nervosa to binge eating disorder. European Eating Disorders Review 25, 601–606.
Szuhany, KL, MacKenzie, D and Otto, MW (2018) The impact of depressed mood, working memory capacity, and priming on delay discounting. Journal of Behavior Therapy and Experimental Psychiatry 60, 37–41.
Tanaka, T, Camerer, CF and Nguyen, Q (2010) Risk and time preferences: linking experimental and household survey data from Vietnam. American Economic Review 100, 557–571.
Tsukayama, E and Duckworth, AL (2010) Domain-specific temporal discounting and temptation. Judgment and Decision Making 5, 72–82.
Turner, BM, Rodriguez, CA, Liu, Q, Molloy, MF, Hoogendijk, M and McClure, SM (2018) On the neural and mechanistic bases of self-control. Cerebral Cortex ePub ahead of print. doi: 10.1093/cercor/bhx355.
van den Bos, W, Rodriguez, CA, Schweitzer, JB and McClure, SM (2014) Connectivity strength of dissociable striatal tracts predict individual differences in temporal discounting. The Journal of Neuroscience 34, 10298–10310.
Vanderveldt, A, Oliveira, L and Green, L (2016) Delay discounting: pigeon, rat, human – does it matter? Journal of Experimental Psychology: Animal Learning and Cognition 42, 141–162.
Van Dijk, FE, Mostert, J, Glennon, J, Onnink, M, Dammers, J, Vasquez, AA, Kan, C, Verkes, RJ, Hoogman, M, Franke, B and Buitelaar, JK (2017) Five factor model personality traits relate to adult attention-deficit/hyperactivity disorder but not to their distinct neurocognitive profiles. Elsevier Psychiatry Research 258, 255–261.
Vloet, TD, Marx, I, Kahraman-Lanzerath, B, Zepf, FD, Herpertz-Dahlmann, B and Konrad, K (2010) Neurocognitive performance in children with ADHD and OCD. Journal of Abnormal Child Psychology 38, 961–969.
Volkow, ND and Morales, M (2015) The brain on drugs: from reward to addiction. Cell 162, 712–725.
Washio, Y, Higgins, ST, Heil, SH, McKerchar, TL, Badger, GJ, Skelly, JM and Dantona, RL (2011) Delay discounting is associated with treatment response among cocaine-dependent outpatients. Experimental and Clinical Psychopharmacology 19, 243–248.
Weber, EU, Johnson, EJ, Milch, KF, Chang, H, Brodscholl, JC and Goldstein, DG (2007) Asymmetric discounting in intertemporal choice: a query-theory account. Psychological Science 18, 516–523.
Wesley, MJ and Bickel, WK (2014) Remember the future II: meta-analyses and functional overlap of working memory and delay discounting. Biological Psychiatry 75, 435–448.
Wierenga, CE, Bischoff-Grethe, A, Melrose, AJ, Irvine, Z, Torres, L, Bailer, UF, Simmons, A, Fudge, JL, McClure, SM, Ely, A and Kaye, WH (2015) Hunger does not motivate reward in women remitted from anorexia nervosa. Biological Psychiatry 77, 642–652.
Winstanley, CA, Dalley, JW, Theobald, DEH and Robbins, TW (2003) Global 5-HT depletion attenuates the ability of amphetamine to decrease impulsive choice on a delay-discounting task in rats. Psychopharmacology 170, 320–331.
Yu, LQ, Lee, S, Katchmar, N, Satterthwaite, TD, Kable, JW and Wolf, DH (2017) Steeper discounting of delayed rewards in schizophrenia but not first-degree relatives. Psychiatry Research 252, 303–309.
Yu, R (2012) Regional white matter volumes correlate with delay discounting. PLoS ONE 7, e32595.