Search results for: Alan G. Sanfey

Items from 1 to 20 out of 27 results

article

Catecholaminergic modulation of trust decisions

Cătălina E. Rățală, Sean J. Fallon, Marieke. E. Schaaf, Niels Huurne, more

Psychopharmacology > 2019 > 236 > 6 > 1807-1816

Rationale Trust is a key component of social interactions. In order to assess the trustworthiness of others, people rely on both information learned from previous encounters, as well as on implicit biases associated with specific facial features. Objective Here, we investigated the role of catecholamine (dopamine and noradrenaline) transmission on trust decisions as a function of both experienced...

article

Exogenous testosterone in women enhances and inhibits competitive decision-making depending on victory–defeat experience and trait dominance

Pranjal H. Mehta, Veerle van Son, Keith M. Welker, Smrithi Prasad, more

Psychoneuroendocrinology > 2015 > 60 > Complete > 224-236

The present experiment tested the causal impact of testosterone on human competitive decision-making. According to prevailing theories about testosterone’s role in social behavior, testosterone should directly boost competitive decisions. But recent correlational evidence suggests that testosterone’s behavioral effects may depend on specific aspects of the context and person relevant to social status...

article

Predicting the other in cooperative interactions

Alan G. Sanfey, Claudia Civai, Peter Vavra

Trends in Cognitive Sciences > 2015 > 19 > 7 > 364-365

Recent research has shown that a collection of neurons in dorsal anterior cingulate cortex of rhesus monkeys may specifically encode the choice selection of an interaction partner. This raises interesting and important questions as to the nature of Theory of Mind processes in social interactive decision-making, with potential societal implications.

article

Cooperation in the brain: neuroscientific contributions to theory and policy

Mirre Stallen, Alan G Sanfey

Current Opinion in Behavioral Sciences > 2015 > 3 > Complete > 117-121

An intriguing feature of human social interaction is the degree to which we are willing to cooperate with others, even when this cooperation is risky and can make us vulnerable. Recent advances in neuroscientific research have begun to provide additional insights into the neural mechanisms of cooperation that can help to better understand the psychological processes that underlie cooperative behavior...

article

How Werner Güth's ultimatum game shaped our understanding of social behavior

Eric van Damme, Kenneth G. Binmore, Alvin E. Roth, Larry Samuelson, more

Journal of Economic Behavior and Organization > 2014 > 108 > Complete > 292-318

Werner Güth's ultimatum game played a key role in the development of multiple research areas, several of which are highlighted.

article

Neural mechanisms underlying context-dependent shifts in risk preferences

Annabel B. Losecaat Vermeer, Maarten A.S. Boksem, Alan G. Sanfey

NeuroImage > 2014 > 103 > C > 355-363

Studies of risky decision-making have demonstrated that humans typically prefer risky options after incurring a financial loss, while generally preferring safer options after a monetary gain. Here, we examined the neural processes underlying these inconsistent risk preferences by investigating the evaluation of gains and losses, and demonstrating how these responses can impact subsequent preference...

article

To play or not to play: A personal dilemma in pathological gambling

Cinzia Giorgetta, Alessandro Grecucci, Andrea Rattin, Cesare Guerreschi, more

Psychiatry Research > 2014 > 219 > 3 > 562-569

Research has shown that healthy people would rather avoid losses than gamble for even higher gains. On the other hand, research on pathological gamblers (PGs) demonstrates that PGs are more impaired than non-pathological gamblers in choice under risk and uncertainty. Here, we investigate loss aversion by using a rigorous and well-established paradigm from the field of economics, in conjunction with...

article

Norms and expectations in social decision-making

Alan G. Sanfey, Mirre Stallen, Luke J. Chang

Trends in Cognitive Sciences > 2014 > 18 > 4 > 172-174

Recent research has shown that stimulating right lateral prefrontal cortex (rLPFC) via transcranial direct current stimulation (tDCS) changes social norm compliance in economic decisions, with different types of compliance affected in different ways. More broadly considering the norms involved in decision-making, and in particular expectations held by players, can help clarify the mechanisms underlying...

article

Advancing consumer neuroscience

Ale Smidts, Ming Hsu, Alan G. Sanfey, Maarten A. S. Boksem, more

Marketing Letters > 2014 > 25 > 3 > 257-267

In the first decade of consumer neuroscience, strong progress has been made in understanding how neuroscience can inform consumer decision making. Here, we sketch the development of this discipline and compare it to that of the adjacent field of neuroeconomics. We describe three new frontiers for ongoing progress at both theoretical and applied levels. First, the field will broaden its boundaries...

article

Waves of regret: A meg study of emotion and decision-making

Cinzia Giorgetta, Alessandro Grecucci, Nicolao Bonini, Giorgio Coricelli, more

Neuropsychologia > 2013 > 51 > 1 > 38-51

Recent fMRI studies have investigated brain activity involved in the feeling of regret and disappointment by manipulating the feedback participants saw after making a decision to play certain gambles: full-feedback (regret: participant sees the outcomes from both the chosen and unchosen gamble) vs. partial-feedback (disappointment: participant only sees the outcome from chosen gamble). However, regret...

article

Social economic decision-making across the lifespan: An fMRI investigation

Katia M. Harlé, Alan G. Sanfey

Neuropsychologia > 2012 > 50 > 7 > 1416-1424

Recent research in neuroeconomics suggests that social economic decision-making may be best understood as a dual-systems process, integrating the influence of deliberative and affective subsystems. However, most of this research has focused on young adults and it remains unclear whether our current models extend to healthy aging. To address this question, we investigated the behavioral and neural...

article

The neural mechanisms of affect infusion in social economic decision-making: A mediating role of the anterior insula

Katia M. Harlé, Luke J. Chang, Mascha van 't Wout, Alan G. Sanfey

NeuroImage > 2012 > 61 > 1 > 32-40

Though emotions have been shown to have sometimes dramatic effects on decision-making, the neural mechanisms mediating these biases are relatively unexplored. Here, we investigated how incidental affect (i.e. emotional states unrelated to the decision at hand) may influence decisions, and how these biases are implemented in the brain. Nineteen adult participants made decisions which involved accepting...

article

Expectations and outcome: The role of Proposer features in the Ultimatum Game

Antonella Marchetti, Ilaria Castelli, Katia M. Harlé, Alan G. Sanfey

Journal of Economic Psychology > 2011 > 32 > 3 > 446-449

In social decision-making individuals make choices in an interactive context and their decisions may therefore be influenced by information they receive about features of the other player. These features may ‘frame’ the other player in particular ways and generate expectations about the outcome. This research examines the impact of information about the Proposer on the Responder’s decision in the...

article

Triangulating the Neural, Psychological, and Economic Bases of Guilt Aversion

Luke J. Chang, Alec Smith, Martin Dufwenberg, Alan G. Sanfey

Neuron > 2011 > 70 > 3 > 560-572

Why do people often choose to cooperate when they can better serve their interests by acting selfishly? One potential mechanism is that the anticipation of guilt can motivate cooperative behavior. We utilize a formal model of this process in conjunction with fMRI to identify brain regions that mediate cooperative behavior while participants decided whether or not to honor a partner's trust. We observed...

article

Interactive decision-making in people with schizotypal traits: A game theory approach

Mascha van 't Wout, Alan G. Sanfey

Psychiatry Research > 2011 > 185 > 1-2 > 92-96

Studies that have investigated whether deficits in social cognition observed in schizophrenia are also present in schizotypal individuals have largely been inconclusive, and none of these studies have examined social interactive behavior. Here, we investigated interactive decision-making behavior in individuals differing in the amount of schizotypal symptoms using tasks derived from Game Theory. In...

article

Seeing is believing: Trustworthiness as a dynamic belief

Luke J. Chang, Bradley B. Doll, Mascha van ’t Wout, Michael J. Frank, more

Cognitive Psychology > 2010 > 61 > 2 > 87-105

Recent efforts to understand the mechanisms underlying human cooperation have focused on the notion of trust, with research illustrating that both initial impressions and previous interactions impact the amount of trust people place in a partner. Less is known, however, about how these two types of information interact in iterated exchanges. The present study examined how implicit initial trustworthiness...

article

Toward an Integrated Neuroscience of Morality: The Contribution of Neuroeconomics to Moral Cognition

Trevor Kvaran, Alan G. Sanfey

Topics in Cognitive Science > 2 > 3 > 579 - 595

Interest in the neural processes underlying decision making has led to a flurry of recent research in the fields of both moral psychology and neuroeconomics. In this paper, we first review some important findings from both disciplines, and then argue that the two fields can mutually benefit each other. A more explicit recognition of the role of values and norms will likely lead to more accurate models...

article

Fairness and intentionality in children’s decision-making

Ilaria Castelli, Davide Massaro, Alan G. Sanfey, Antonella Marchetti

International Review of Economics > 2010 > 57 > 3 > 269-288

Few studies have addressed the role of different aspects of the Theory of Mind (ToM) (intentionality and false belief understanding) in decision-making by adults playing strategic games where the importance of fairness is crucial. Even more interesting, this topic has been less investigated with children. The goal of this research was to explore the development of the decisional behavior along with...

article

Instructional control of reinforcement learning: A behavioral and neurocomputational investigation

Bradley B. Doll, W. Jake Jacobs, Alan G. Sanfey, Michael J. Frank

Brain Research > 2009 > 1299 > Complete > 74-94

Humans learn how to behave directly through environmental experience and indirectly through rules and instructions. Behavior analytic research has shown that instructions can control behavior, even when such behavior leads to sub-optimal outcomes (Hayes, S. (Ed.). 1989. Rule-governed behavior: cognition, contingencies, and instructional control. Plenum Press.). Here we examine the control of behavior...

article

Expectations and social decision-making: biasing effects of prior knowledge on Ultimatum responses

Alan G. Sanfey

Mind & Society > 2009 > 8 > 1 > 93-107

Psychological studies have long demonstrated effects of expectations on judgment, whereby the provision of information, either implicitly or explicitly, prior to an experience or decision can exert a substantial influence on the observed behavior. This study extended these expectation effects to the domain of interactive economic decision-making. Prior to playing a commonly-used bargaining task, the...

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INFONA - science communication portal

Search results for: Alan G. Sanfey

Catecholaminergic modulation of trust decisions

Exogenous testosterone in women enhances and inhibits competitive decision-making depending on victory–defeat experience and trait dominance

Predicting the other in cooperative interactions

Cooperation in the brain: neuroscientific contributions to theory and policy

How Werner Güth's ultimatum game shaped our understanding of social behavior

Neural mechanisms underlying context-dependent shifts in risk preferences

To play or not to play: A personal dilemma in pathological gambling

Norms and expectations in social decision-making

Advancing consumer neuroscience

Waves of regret: A meg study of emotion and decision-making

Social economic decision-making across the lifespan: An fMRI investigation

The neural mechanisms of affect infusion in social economic decision-making: A mediating role of the anterior insula

Expectations and outcome: The role of Proposer features in the Ultimatum Game

Triangulating the Neural, Psychological, and Economic Bases of Guilt Aversion

Interactive decision-making in people with schizotypal traits: A game theory approach

Seeing is believing: Trustworthiness as a dynamic belief

Toward an Integrated Neuroscience of Morality: The Contribution of Neuroeconomics to Moral Cognition

Fairness and intentionality in children’s decision-making

Instructional control of reinforcement learning: A behavioral and neurocomputational investigation

Expectations and social decision-making: biasing effects of prior knowledge on Ultimatum responses

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