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Articles 1 - 8 of 8
Full-Text Articles in Cognition and Perception
Capacity Coefficient Variations, Joseph W. Houpt, Andrew Heathcote, Ami Eidels, Nathan Medeiros-Ward, Jason Watson, David Strayer
Capacity Coefficient Variations, Joseph W. Houpt, Andrew Heathcote, Ami Eidels, Nathan Medeiros-Ward, Jason Watson, David Strayer
Joseph W. Houpt
The capacity coefficient has become an increasingly popular measure of efficiency under changes in workload. It has been used in applications ranging from psychophysical detection tasks to complex cognitive tasks, as well as in addressing questions in social and clinical psychology. The basic formulation compares response times to each stimulus property (or task) in isolation to response times with all stimulus properties (or tasks) at the same time. A number of variations on the basic capacity coefficient have been used, both in the experimental design and in the calculations, and many more are possible. Here we outline the theoretical reasons …
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, Joseph W. Houpt, James T. Townsend, Noah H. Silbert
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, Joseph W. Houpt, James T. Townsend, Noah H. Silbert
Joseph W. Houpt
No abstract provided.
Bayesian Approaches To Assessing Architecture And Stopping Rule, Joseph W. Houpt, A. Heathcote, A. Eidels, J. T. Townsend
Bayesian Approaches To Assessing Architecture And Stopping Rule, Joseph W. Houpt, A. Heathcote, A. Eidels, J. T. Townsend
Joseph W. Houpt
Much of scientific psychology and cognitive science can be viewed as a search to understand the mechanisms and dynamics of perception, thought and action. Two processing attributes of particular interest to psychologists are the architecture, or temporal relationships between sub-processes of the system, and the stopping rule, which dictates how many of the sub-processes must be completed for the system to finish. The Survivor Interaction Contrast (SIC) is a powerful tool for assessing the architecture and stopping rule of a mental process model. Thus far, statistical analysis of the SIC has been limited to null-hypothesis- significance tests. In this talk …
Temporal Shifts In Weapon Focus: Comparing Retrograde And Anterograde Effects, William Blake Erickson
Temporal Shifts In Weapon Focus: Comparing Retrograde And Anterograde Effects, William Blake Erickson
Graduate Theses and Dissertations
When an eyewitness suffers an impairment of memory for a criminal's face because the criminal used a weapon during the commission of the crime, this impairment is called the weapon focus effect. Literature provides two explanations for how this effect arises: some implicate the narrowing of attentional cues to the weapon during the commission of a crime because arousal of the victim increases, while others claim that the weapon is merely a novel object in most everyday contexts, and novel objects demand more attention than contextually appropriate ones. The current study employed a simulated crime paradigm taking place in a …
Fighting The Current: Recalling Specific Self-Relevant Memories, John Walden Ransom
Fighting The Current: Recalling Specific Self-Relevant Memories, John Walden Ransom
Graduate Theses and Dissertations
The present study was designed to address whether recalling specific autobiographical memories is more difficult when they are self-relevant compared to non-relevant. In recent years, a number of experimental studies have indicated that self-relevant memories are more likely to be recalled without a specific time frame or very much detail. Unfortunately, these findings have not been integrated into the popular executive resources theory of autobiographical memory recall or theories of independent semantic and episodic memory stores. This study tested the hypothesis that self-relevant memories will be accessed in the semantic store and therefore will require more executive resources to generate …
Creation Of False Memories And Beliefs: Expectancy Consistent Errors Based On Gender Stereotypes, Arianna Stelling
Creation Of False Memories And Beliefs: Expectancy Consistent Errors Based On Gender Stereotypes, Arianna Stelling
Undergraduate Theses and Capstone Projects
This study was a series of three experiments which examined the effects of gender stereotypes on the creation of false-memories. Participants were undergraduate students who viewed a short one-scene video depicting a couple on a date. The video featured a man and a woman displaying a mixture of typical, atypical, or a combination of both gender stereotypical behaviors. Following the video, participants completed a quiz to determine whether they created false memories consistent with gender stereotypes. Participants completed an attitudinal scale to gauge their views on gender stereotypes. It was hypothesized that participants would create stereotype- consistent false memories and …
Stereological Assessment Of The Thalamus In A Rat Model Of Periventricular Nodular Heterotopia, Jason Lennox
Stereological Assessment Of The Thalamus In A Rat Model Of Periventricular Nodular Heterotopia, Jason Lennox
Honors Projects
Malformations of neocortical development such as microgyria (MG) and periventricular nodular heterotopia (PNH) have been observed in the brains of language learning impaired (LLI) humans. Rats with MG have shown rapid auditory processing (RAP) deficits similar to acoustic deficits observed in some human LLI populations. Threlkeld et al., (2009) previously reported RAP and other learning impairments in rats with PNH resulting from disruption to embryonic neuronal cell division by way of Methylazoxymethanol (MAM) treatment on embryonic day 15 (E15). The thalamus and its subnuclei may be vulnerable to neurodevelopmental disruptions. Studies of MG rats have shown changes in cell size …
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, James T. Townsend, Joseph W. Houpt, Noah H. Silbert
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, James T. Townsend, Joseph W. Houpt, Noah H. Silbert
Joseph W. Houpt
General Recognition Theory (GRT; Ashby & Townsend, 1986) is a multidimensional theory of classification. Originally developed to study various types of perceptual independence, it has also been widely employed in diverse cognitive venues, such as categorization. The initial theory and applications have been static, that is, lacking a time variable and focusing on patterns of responses, such as confusion matrices. Ashby proposed a parallel, dynamic stochastic version of GRT with application to perceptual independence based on discrete linear systems theory with imposed noise \citep{Ash89}. The current study again focuses on cognitive/perceptual independence within an identification classification paradigm. We extend stochastic …