Psychology Commons^™

Smartphones: A Game Changer For Psychological Research, Wei Wang, Jibo He

Publications and Research

As technology continues to advance and smartphones continue to grow in popularity, we argue that smartphones have rapidly evolved as a suitable tool for psychological research. In this editorial, we will first briefly introduce the technological and social features possessed by smartphones that are ideal for psychology research. Then we distinguish two approaches to use smartphones for research, highlighting the external and internal validity of each approach. We further discuss computer skills and analysis methods needed for research with smartphones.

Variable Semantic Input And Novel First-Language Vocabulary Learning, Nichole Runge

Arts & Sciences Graduate Student Theses and Dissertations

Vocabulary learning involves mapping a word form to a semantic meaning. An individual asked to learn the Spanish word for “apple,” for example, must map a new word form (manzana) onto the appropriate semantic representation. Previous studies have found that acoustic variability of word forms can improve second language vocabulary acquisition (Barcroft & Sommers, 2005; Sommers & Barcroft, 2007). The current experiments investigated whether variable semantic input could have a similar beneficial effect on first language vocabulary learning. Participants learned low-frequency English vocabulary words and their definitions. Half of the words were shown with the same verbatim definition …

Rapid Detection And Use Of Non-Verbal Confidence Cues During Adaptive Memory Biasing, Jihyun Cha

Arts & Sciences Graduate Student Theses and Dissertations

Prior literature has demonstrated that participants use probabilistic, verbal memory cues (‘Likely Old’ or ‘Likely New’) to adaptively bias their recognition judgments. Here we tested whether this is more effective when the cues are the actual videotaped responses of others taking the same recognition test, based on the possibility that observers might use non-verbal confidence signs to modulate their degree of cue reliance on each trial. Experiment 1 demonstrated observers could reliably rate the confidence of others (Models) from single recognition responses (‘old’ or ‘new’) and that when doing so, the latency of the model’s response was the primary influence, …

The Knowledge Of Others' Perceptions (Kop) Model: Practical Accuracy Among The Well-Acquainted, Brittany C. Solomon

Arts & Sciences Graduate Student Theses and Dissertations

It is possible that people, especially those who are well-acquainted, have information about others that goes beyond their own impressions. While previous studies primarily focus on the accuracy of a perceiver's own impressions of a target, they may miss information about the perceiver's knowledge of a target's identity and reputation. The present study is based on the notion that there may be more to knowing a person than having an accurate perception of his/her personality in the traditional sense. From a practical standpoint, it might also be important to know when others' impressions of a close other, such as a …

Effects Of Rhes Prenylation On Mouse Cognition In A 3-Nitropropionic Acid Animal Model Of Huntington's Disease, Diana Hobbs

LSU New Orleans Theses and Dissertations

Located on the short arm of chromosome 4, there exists a gene, IT15, responsible for the trinucleotide CAG expansion involved in the autosomal dominant neurodegenerative disorder known as Huntington’s disease (HD). The brain region associated with the most atrophy, the striatum, leads to expression of severe motor dysfunction, the hallmark feature of HD. To a lesser degree, the cortex and hippocampus show earlier deterioration indicative of the cognitive deficits that occur prior to motor symptom onset. The brain regions associated with HD-induced neuronal death additionally selectively express the protein Rhes - the combination of Rhes and mutant huntingtin being cytotoxic. …

Effectiveness Of Statin And Bisphosphonate Treatment In A 3np Model Of Huntington’S Disease, Leslie K. Kelley

LSU New Orleans Theses and Dissertations

No abstract provided.

Cognitive Behavioral Therapy For Child Posttraumatic Stress Disorder: Testing Direct And Reciprocal Effects On Maternal Depression, Erin L. Neill

LSU New Orleans Theses and Dissertations

Children exposed to trauma experience many negative outcomes including posttraumatic stress disorder (PTSD). Fortunately, cognitive-behavioral therapy (CBT) is an effective treatment for PTSD. Theoretically it may be that not only do children do better in treatment when their parents are involved, but that there is also a reciprocal relationship such that as children improve their parents feel better as well (and vice a versa). Using data from a randomized trial (Scheeringa & Weems, 2014), this thesis used Hierarchical Linear Modeling (HLM) to test if change in child PTSD symptoms mediates change in parent depression symptoms, and vice a versa, across …

Are There Multiple Kinds Of Episodic Memory? An Fmri Investigation Comparing Autobiographical And Recognition Memory Tasks, Hung-Yu Chen

Arts & Sciences Graduate Student Theses and Dissertations

What brain regions underlie retrieval from episodic memory? The bulk of research addressing this question has relied upon laboratory-based recognition memory. Another, less dominant tradition has employed autobiographical methods, whereby people recall events from their lifetime, often after being cued with words or pictures. Previous research comparing regions underlying successful memory retrieval between these two methodological approaches has shown mixed results. To examine the neural processes underlying recognition memory for materials encountered in the laboratory and autobiographical memory, we conducted a within-subject study using fMRI. We showed participants indoor and outdoor scenes under two types of instructions: In the lab-based …

Social Influences On Children's Option Valuations, Laura Pape Hennefield

Arts & Sciences Graduate Student Theses and Dissertations

Children use a variety of strategies to determine the relative value of the objects they encounter, ranging from simple heuristics to the integration of information from multiple sources. Do children also incorporate social information - specifically, information pertaining to others' preferences - into their object valuations? Valuation is an important component of economic exchange, and is key to assessing how resources are fairly distributed or favors reciprocated. As humans often need to make critical decisions with limited information, garnering information about value via social sources might be an adaptive strategy. This dissertation has two primary goals: (1) to develop methodology …

The Effects Of Environmental Support And Age On Visuospatial Rehearsal, Lindsey Lilienthal

Arts & Sciences Graduate Student Theses and Dissertations

Although there is substantial evidence supporting the functional distinction between verbal working memory and visuospatial working memory, most research focuses on the verbal domain, and much is still unknown about how people maintain and manipulate visuospatial information. Previous experiments have demonstrated that the amount of environmental support for rehearsal provided to participants can have an important impact on their memory for locations (Lilienthal, Hale, & Myerson, 2014b), and that young adults may benefit more from the presence of support than older adults (Lilienthal, Hale, & Myerson, 2014a). The goal of the three experiments presented in this dissertation was to further …

When Can We Trust Our Memories? Quantitative And Qualitative Indicators Of Recognition Accuracy, Kurt Andrew Desoto

Arts & Sciences Graduate Student Theses and Dissertations

In this dissertation, I present a quartet of experiments that studied confidence ratings and remember/know/guess judgments as indicators of recognition accuracy. The goal of these experiments was to examine the validity of these quantitative and qualitative measures of metacognitive monitoring and to interpret them using the continuous dual-process model of signal detection (Wixted & Mickes, 2010).In Experiment 1, subjects heard or read items belonging to categorized lists and took an old/new recognition test over studied and new items while making remember/know/guess judgments after each recognition decision. Consistent with prior literature, remember judgments were more likely to be accurate than know …

Effects Of An Interdisciplinary Gerontology Course On First-Year Undergraduate Students, Christine Caroline Merz

Arts & Sciences Graduate Student Theses and Dissertations

This study evaluated the impact of an interdisciplinary course on aging designed to improve attitudes toward older adults and aging, and generate interest in aging-related careers. Main outcomes included knowledge of older adults and aging, attitudes toward older adults and aging, and anxiety about personal aging. Participants included first-year undergraduate students enrolled in the course (curricular intervention group) and first-year undergraduate students not enrolled in the course (control group). Data were collected at the beginning and end of one semester. At the end of the semester curricular intervention students had increased in their knowledge about aging and showed more positive …

Using The Encoding Specificity Principle To Assess The Nature Of The Secondary Memory Component Of Working Memory, Dung Chi Bui

Arts & Sciences Graduate Student Theses and Dissertations

Recent theories and evidence suggest working memory involves secondary memory as well as primary memory. It is unclear, however, if the secondary memory component of working memory is the same as the secondary memory component underlying episodic long-term memory. The present investigation explores this issue by examining whether manipulating encoding and retrieval cues on a short-term memory task produces similar effects as to what is typically seen on episodic long-term memory tasks. More specifically, it is commonly observed on episodic long-term memory tasks that retrieval cues that were not also present during encoding produces worse recall compared to retrieval cues …

Functional Analysis Of Gambling, Mack S. Costello

Dissertations

Given high rates of gambling and the growing population of disordered gamblers, there is a need to develop assessment strategies with improved treatment validity. More specifically, assessment strategies are needed that identify the controlling variables for disordered gambling and, thus, provide guidance in the selection of treatment and prevention strategies. This study sought to develop a functional analysis for gambling by utilizing a simulated gambling environment in which contextual variables hypothesized to be causally linked to disordered gambling could be systematically manipulated. Seven experienced gamblers participated in the multi-element, single-subject experimental study. Participants who endorsed at least some problems from …

The Bounded Log-Odds Model Of Frequency And Probability Distortion, Hang Zhang, Laurence T. Maloney

MODVIS Workshop

No abstract provided.

A Signal Detection Experiment With Limited Number Of Trials, Tadamasa Sawada

MODVIS Workshop

Signal detection theory has been well accepted in vision science to measure human sensitivity to stimuli in a Psychophysical experiment. The theory is formulated so that the measured sensitivity is independent from a response bias (criterion). The formulation is based on an assumption that number of trials in the experiment is infinite but this assumption cannot be satisfied in practice. The assumption came from two normal distributions used in the formulation. The distributions respectively represent a set of signal trial and that of noise trials in the experiment. In this study, I will show how the violation of the assumption …

Testing The Bayesian Confidence Hypothesis, Wei Ji Ma, Ronald Van Den Berg

MODVIS Workshop

Asking subjects to rate their confidence is one of the oldest procedures in psychophysics. Remarkably, quantitative models of confidence ratings have been scarce. The Bayesian confidence hypothesis (BCH) states that an observer’s confidence rating is monotonically related to the posterior probability of their choice. I will report tests of this hypothesis in two visual categorization tasks: one requiring rapid categorization of a single oriented stimulus, the other a deliberative judgment typically made by scientists, namely interpreting scatterplots. We find evidence against the Bayesian confidence hypothesis in both tasks.

A Conceptual Framework Of Computations In Mid-Level Vision, Jonas Kubilius, Johan Wagemans, Hans P. Op De Beeck

MODVIS Workshop

The goal of visual processing is to extract information necessary for a variety of tasks, such as grasping objects, navigating in scenes, and recognizing them. While ultimately these tasks might be carried out by separate processing pathways, they nonetheless share a common root in the early and intermediate visual areas. What representations should these areas develop in order to facilitate all of these higher-level tasks? Several distinct ideas have received empirical support in the literature so far: (i) boundary feature detection, such as edge, corner, and curved segment extraction; (ii) second-order feature detection, such as the difference in orientation or …

Metacognition: Using Confidence Ratings For Type 2 And Type 1 Roc Curves, S A. Klein

MODVIS Workshop

In the past five years there has been a surge of renewed interest in metacognition ("thinking about thinking"). The typical experiment involves a binary judgment followed by a multilevel confidence rating. It is a confusing topic because the rating could be made either on one's confidence in the binary response (standard rating Type 1 ROC) or on one's confidence sorted by whether the response was correct (Type 2 ROC). Both are metacognition. After a few remarks on challenging aspects of the Type 2 approach, I will present some interesting results for Type 1 ROC for both memory and vision research. …

Two Correspondence Problems Easier Than One, Aaron Michaux, Zygmunt Pizlo

MODVIS Workshop

Computer vision research rarely makes use of symmetry in stereo reconstruction despite its established importance in perceptual psychology. Such stereo reconstructions produce visually satisfying figures with precisely located points and lines, even when input images have low or moderate resolution. However, because few invariants exist, there are no known general approaches to solving symmetry correspondence on real images. The problem is significantly easier when combined with the binocular correspondence problem, because each correspondence problem provides strong non-overlapping constraints on the solution space. We demonstrate a system that leverages these constraints to produce accurate stereo models from pairs of binocular images …

Binocular 3d Motion Perception As Bayesian Inference, Martin Lages, Suzanne Heron

MODVIS Workshop

The human visual system encodes monocular motion and binocular disparity input before it is integrated into a single 3D percept. Here we propose a geometric-statistical model of human 3D motion perception that solves the aperture problem in 3D by assuming that (i) velocity constraints arise from inverse projection of local 2D velocity constraints in a binocular viewing geometry, (ii) noise from monocular motion and binocular disparity processing is independent, and (iii) slower motions are more likely to occur than faster ones. In two experiments we found that instantiation of this Bayesian model can explain perceived 3D line motion direction under …

Come Closer: Cognitive Dissonance Between Strangers, Melissa Bond, Connie Shears

Student Scholar Symposium Abstracts and Posters

Whether it’s reacting to unwanted invasion of our personal space (Khan & Kamal, 2010) or creating interpersonal warmth using physical touch (Williams & Bargh, 2008), our interactions with others affect us every day. But how will you feel toward a stranger that you voluntarily let invade your personal space? Cognitive dissonance states that our behaviors will dictate our attitudes instead of the other way around (Festinger, 1957) and is typically studied within an individual. The current study investigates cognitive dissonance between two people. To test the hypothesis that physical touch would change two strangers’ perception of “closeness,” we manipulated three …

Why Doesn't Negative Behave? Inferences From Emotional Language, Adriana Ariza, Connie Shears, Maisy Lam, Amy Cohen, Melissa Bond, Mackenzie Smith, Erika Sam, Jay Kim

Student Scholar Symposium Abstracts and Posters

Emotional language appears to support the inference process in a hierarchical nature (Shears, et al., 2011). However, Nasrallah, Carmel and Lavie (2009) suggest that the negative valence should be primary in supporting inferences because it is survival based. Further, Gygax, Garnham and Oakhill (2004) claim the importance of context is critical when readers are processing emotional language. Here, we extend previous findings using two sentence pairs, by examining longer, more natural story contexts. Similarly, we hypothesized that if emotional language supports the formation of causal inferences, then positive stories should cause more false alarms to inference-related target words than negative …

Personality Types And Attachment Styles Underlying Body Dissatisfaction, Milad Khosravi, David Frederick

Student Scholar Symposium Abstracts and Posters

Attachment style and personality are powerfully related to a person’s patterns of thoughts, interests, and behaviors. Surprisingly, there is little research on the links between these psychological factors and body dissatisfaction. We hypothesized that anxious attachment style and neuroticism would be linked to greater body dissatisfaction in women.

Methods: Adult women reported their overall satisfaction with their weight, muscle tone, and appearance using validated, one-item measures. Participants also completed measures of attachment style and personality type.

Results: Consistent with the hypotheses, people who were more neurotic and with more insecure-attachment styles reported higher body dissatisfaction.

Discussion: This study highlights the …

Comforting Third Spaces, Jasmin Tahmaseb-Mcconatha

Psychology Faculty Publications

The best third spaces are green spaces. Access to "third spaces" can promote health and well-being.

Least Among Brethren, Dami Onifade

Student Scholar Symposium Abstracts and Posters

I was in the second row of Dr. Jules Herrell’s psychology class on a brisk day in Washington DC when I heard about the prison experiment at Stanford University during a college lecture. Naturally, I was shocked to learn young men my age that had gone in as equals could turn on each other for a meager salary and free meals. I wanted to show this quality of people in situations involving intimidation, peer pressure and envy. My co-writers and I found a way into the narrative through the bond of two friends, Prince and Malachi. This allowed us a …

Effects Of Digitally Enhanced Learning Tasks On Cognitive Functioning, Reyn Yoshiura

Student Scholar Symposium Abstracts and Posters

Are brain-training applications effective? In recent years the popularity of brain training programs, such as Lumosity, Brain Age, Big Brain Academy and Elevate has increased significantly. These programs assert that the consistent use of their program can potentially result in increases in cognitive function. The current body of cognitive research shows that these programs train working memory; due to its integral part in general cognition. This research compared the effectiveness of digitally enhanced working memory tasks, versus active control groups for improvements on measures of cognitive functioning. It was hypothesized that the digitally enhanced working memory tasks would have greater …

Investigation Of Views On Mental Health Treatment Seeking, Huy Tran

Psychology and Counseling Theses

Although research exists regarding barriers to mental health care for individuals with depression and anxiety disorders, few studies have compared characteristics of those who seek treatment versus those who do not seek treatment for psychological distress associated with these disorders. Such studies are needed in order to better understand factors involved in treatment seeking and treatment abstention. The present study addresses treatment seeking and treatment abstention in individuals with major depressive disorder (MDD) and generalized anxiety disorder (GAD), in order to understand barriers to treatment in this population. Results indicate that the groups did not significantly differ on their gender, …

Computational Modeling Of Depth-Ordering In Occlusion 
Through Accretion Or Deletion Of Texture, Harald Ruda, Gennady Livitz, Guillaume Riesen, Ennio Mingolla

MODVIS Workshop

Understanding the depth-ordering of surfaces in the natural world is one of the most fundamental operations of the primate visual system. Surfaces that undergo accretion or deletion (AD) of texture are always perceived to behind an adjacent surface.

An updated ForMotionOcclusion (FMO) model (Barnes & Mingolla, 2013) includes two streams for computing motion signals and boundary signals. The two streams generate depth percepts such that AD signals together with boundary signals generate a farther depth on the occluded side of the boundary. The model fits the classical data (Kaplan, 1969) as well as the observation that moving surfaces tend to …

Spatially-Global Integration Of Closed Contours By Means Of Shortest-Path In A Log-Polar Representation, Terry Kwon, Kunal Agrawal, Yunfeng Li, Zygmunt Pizlo

MODVIS Workshop

See the one page PDF with abstract and images.