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Articles 1 - 8 of 8
Full-Text Articles in Psychology
Modeling Trust Dynamics In Strategic Interaction, Ion Juvina, Christian Lebiere, Cleotilde Gonzalez
Modeling Trust Dynamics In Strategic Interaction, Ion Juvina, Christian Lebiere, Cleotilde Gonzalez
Psychology Faculty Publications
We present a computational cognitive model that explains transfer of learning across two games of strategic interaction – Prisoner's Dilemma and Chicken. We summarize prior research showing that, when these games are played in sequence, the experience acquired in the first game influences the players’ behavior in the second game. The same model accounts for human data in both games. The model explains transfer effects with the aid of a trust mechanism that determines how rewards change depending on the dynamics of the interaction between players. We conclude that factors pertaining to the game or the individual are insufficient to …
Working Memory Capacity And Redundant Information Processing Efficiency, Michael J. Endres, Joseph W. Houpt, Chris Donkin, Peter R. Finn
Working Memory Capacity And Redundant Information Processing Efficiency, Michael J. Endres, Joseph W. Houpt, Chris Donkin, Peter R. Finn
Psychology Faculty Publications
Working memory capacity (WMC) is typically measured by the amount of task-relevant information an individual can keep in mind while resisting distraction or interference from task-irrelevant information. The current research investigated the extent to which differences in WMC were associated with performance on a novel redundant memory probes (RMP) task that systematically varied the amount of to-be-remembered (targets) and to-be-ignored (distractor) information. The RMP task was designed to both facilitate and inhibit working memory search processes, as evidenced by differences in accuracy, response time, and Linear Ballistic Accumulator (LBA) model estimates of information processing efficiency. Participants (N = 170) …
Can Two Dots Form A Gestalt? Measuring Emergent Features With The Capacity Coefficient, Robert D. Hawkins, Joseph W. Houpt, Ami Eidels, James T. Townsend
Can Two Dots Form A Gestalt? Measuring Emergent Features With The Capacity Coefficient, Robert D. Hawkins, Joseph W. Houpt, Ami Eidels, James T. Townsend
Psychology Faculty Publications
While there is widespread agreement among vision researchers on the importance of some local aspects of visual stimuli, such as hue and intensity, there is no general consensus on a full set of basic sources of information used in perceptual tasks or how they are processed. Gestalt theories place particular value on emergent features, which are based on the higher-order relationships among elements of a stimulus rather than local properties. Thus, arbitrating between different accounts of features is an important step in arbitrating between local and Gestalt theories of perception in general. In this paper, we present the capacity coefficient …
Working Memory’S Workload Capacity, Andrew Heathcote, James R. Coleman, Ami Eidels, James M. Watson, Joseph W. Houpt, David L. Strayer
Working Memory’S Workload Capacity, Andrew Heathcote, James R. Coleman, Ami Eidels, James M. Watson, Joseph W. Houpt, David L. Strayer
Psychology Faculty Publications
We examined the role of dual-task interference in working memory using a novel dual two-back task that requires a redundant-target response (i.e., a response that neither the auditory nor the visual stimulus occurred two back versus a response that one or both occurred two back) on every trial. Comparisons with performance on single two-back trials (i.e., with only auditory or only visual stimuli) showed that dual-task demands reduced both speed and accuracy. Our task design enabled a novel application of Townsend and Nozawa’s (Journal of Mathematical Psychology 39: 321–359, 1995) workload capacity measure, which revealed that the decrement in dual …
Dyslexia And Configural Perception Of Character Sequences, Joseph W. Houpt, Bethany L. Sussman, James T. Townsend, Sharlene D. Newman
Dyslexia And Configural Perception Of Character Sequences, Joseph W. Houpt, Bethany L. Sussman, James T. Townsend, Sharlene D. Newman
Psychology Faculty Publications
Developmental dyslexia is a complex and heterogeneous disorder characterized by unexpected difficulty in learning to read. Although it is considered to be biologically based, the degree of variation has made the nature and locus of dyslexia difficult to ascertain. Hypotheses regarding the cause have ranged from low-level perceptual deficits to higher order cognitive deficits, such as phonological processing and visual-spatial attention. We applied the capacity coefficient, a measure obtained from a mathematical cognitive model of response times to measure how efficiently participants processed different classes of stimuli. The capacity coefficient was used to test the extent to which individuals with …
Predicting Trust Dynamics And Transfer Of Learning In Games Of Strategic Interaction As A Function Of A Player’S Strategy And Level Of Trustworthiness, Michael Collins, Ion Juvina, Gary R. Douglas, Kevin A. Gluck
Predicting Trust Dynamics And Transfer Of Learning In Games Of Strategic Interaction As A Function Of A Player’S Strategy And Level Of Trustworthiness, Michael Collins, Ion Juvina, Gary R. Douglas, Kevin A. Gluck
Psychology Faculty Publications
Individuals playing a sequence of different games have shown to learn about the other player’s behavior during their initial interaction and apply this knowledge when playing another game with the same individual in the future. Here we use a published computational cognitive model to generate predictions for an upcoming human study. The model plays both Prisoner’s Dilemma and Chicken Game with a confederate agent who uses one of two predetermined strategies and whose level of trustworthiness is manipulated. We go beyond the standard postdictive practice and adopt the increasingly popular practice of using the model to make a priori predictions …
Domestication Affects The Structure, Development And Stability Of Biobehavioural Profiles, Sylvia Kaiser, Michael B. Hennessy, Norbert Sachser
Domestication Affects The Structure, Development And Stability Of Biobehavioural Profiles, Sylvia Kaiser, Michael B. Hennessy, Norbert Sachser
Psychology Faculty Publications
Domestication is an evolutionary process during which the biobehavioural profile (comprising e.g. social and emotional behaviour, cognitive abilities, as well as hormonal stress responses) is substantially reshaped. Using a comparative approach, and focusing mainly on the domestic and wild guinea pig, an established model system for the study of domestication, we review (a) how wild and domestic animals of the same species differ in behaviour, emotion, cognition, and hormonal stress responses, (b) during which phases of life differences in biobehavioural profiles emerge and (c) whether or not animal personalities exist in both the wild and domestic form. Concerning (a), typical …
Stability And Change: Stress Responses And The Shaping Of Behavioral Phenotypes Over The Life Span, Michael B. Hennessy, Sylvia Kaiser, Tobias Tiedtke, Norbert Sachser
Stability And Change: Stress Responses And The Shaping Of Behavioral Phenotypes Over The Life Span, Michael B. Hennessy, Sylvia Kaiser, Tobias Tiedtke, Norbert Sachser
Psychology Faculty Publications
In mammals, maternal signals conveyed via influences on hypothalamic-pituitary-adrenal (HPA) activity may shape behavior of the young to be better adapted for prevailing environmental conditions. However, the mother's influence extends beyond classic stress response systems. In guinea pigs, several hours (h) of separation from the mother activates not only the HPA axis, but also the innate immune system, which effects immediate behavioral change, as well as modifies behavioral responsiveness in the future. Moreover, the presence of the mother potently suppresses the behavioral consequences of this innate immune activation. These findings raise the possibility that long-term adaptive behavioral change can be …