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The affective meanings of automatic social behaviors: Three mechanisms that explain priming.
We propose 3 mechanisms (psychological, cultural, and biological) as a unified explanation of such effects. (a) Primed concepts influence holistic representations of situations by parallel constraint satisfaction. (b) The constraints among representations stem from culturally shared affective meanin...
Refuting data aggregation arguments and how the instance-based learning model stands criticism: A reply to Hills and Hertwig (2012).
We show that the reduction of A-rate during sampling occurs even when sample length is controlled for; that regardless of the sampling length, the maximization behavior during sampling predicts the final choice; and that the IBL model accounts for a negative correlation between sample size and the p...
An accuracy-response time capacity assessment function that measures performance against standard parallel predictions.
Measures of human efficiency under increases in mental workload or attentional limitations are vital in studying human perception, cognition, and action. Assays of efficiency as workload changes have typically been confined to either reaction times (RTs) or accuracy alone. Within the...
Bayesian analogy with relational transformations.
We explore the possibility that bottom-up learning mechanisms applied to objects coded as feature vectors can yield representations of relations sufficient to solve analogy problems. We introduce Bayesian analogy with relational transformations (BART) and apply the model to the task of learning firs...
Optimal decision making in neural inhibition models.
We show that these conclusions depend on how the models handle negative activation values and (for the LCA) across-trial variability in response conservativeness. Negative neural activations are undesirable for both neurophysiological and mathematical reasons. However, when negative activations are...
Preference reversal in multiattribute choice.
We review the range of mechanisms that have been proposed to account for decoy effects and analyze in detail 2 computational models, decision field theory (Roe, Busemeyer, & Townsend, 2001) and leaky competing accumulators (Usher & McClelland, 2004), that aim to combine several such mechanisms into...
The interpersonal theory of suicide.
We propose that the most dangerous form of suicidal desire is caused by the simultaneous presence of two interpersonal constructs-thwarted belongingness and perceived burdensomeness (and hopelessness about these states)-and further that the capability to engage in suicidal behavior is separate from...
Postscript: Some final thoughts on grandmother cells, distributed representations, and PDP models of cognition.
The author briefly responds to a number of terminological, theoretical, and empirical issues raised in some postscripts. The goal is not to respond to each outstanding point but rather to address some comments that in my view confuse rather than clarify matters. He responds to Plaut and McClelland a...
Postscript: About grandmother cells and Jennifer Aniston neurons.
We discuss possible interpretations in turn and contrast them with what we find in our own data (arguably the closest experimental evidence of grandmother cells so far). A first and naÃ¯ve interpretation of the term grandmother cell is that one and only one neuron encodes for one and only one conc...
Intrusive images in psychological disorders: characteristics, neural mechanisms, and treatment implications.
We revise our previous dual representation theory of posttraumatic stress disorder to place it within a neural systems model of healthy memory and imagery. The revised model is used to explain how the different types of distressing visual intrusions associated with clinical disorders arise, in terms...