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Articles 1 - 20 of 20
Full-Text Articles in Cognition and Perception
Working Memory Performance: Is Subjective Measurement A Better Predictor Than Cognitive Load?, Megan Mccray
Working Memory Performance: Is Subjective Measurement A Better Predictor Than Cognitive Load?, Megan Mccray
Dissertations and Theses
We rely on our capacity for rapid attention switching to conduct multiple tasks simultaneously. Leading working memory models assume that memory maintenance and attention-demanding secondary task processing cannot coincide. Any reduction in memory maintenance activities occurring due to secondary task processing leads to impaired recall. This temporal relationship is typically characterized through the proportion of time spent attending to the concurrent processing task, also called cognitive load. Although the primary determinant of forgetting in leading models, recent findings show limitations to cognitive load effects in multitasking. We investigated whether the effects of cognitive load are a byproduct of subjective task …
Are We Ovary-Acting? All Visuospatial Abilities May Not Be Equally Affected Throughout The Menstrual Cycle., Caroline G. Haynes, Audrey N. Wade
Are We Ovary-Acting? All Visuospatial Abilities May Not Be Equally Affected Throughout The Menstrual Cycle., Caroline G. Haynes, Audrey N. Wade
Science University Research Symposium (SURS)
Are we ovary-acting? All visuospatial abilities may not be equally affected throughout the menstrual cycle.
Department of Psychological Sciences & Neuroscience, Belmont University, Nashville, TN
Visuospatial skills pertain to the ability to conceptualize and comprehend visual representations of objects and the spatial relationships among objects. They are integral for the proper functioning of other cognitive systems such as memory, attention, and reasoning (Kaufman, 2007). Sex hormones are one of many factors reported to affect visuospatial processing, with estrogen specially being associated with poor performance on visuospatial tasks in females (Hausmann, 2000). The current study investigated performance differences on three visuospatial …
Temperament And Individual Differences In Category Learning, Tianshu Zhu
Temperament And Individual Differences In Category Learning, Tianshu Zhu
Electronic Thesis and Dissertation Repository
Objectives. Individuals can differ in their strategic approach in learning the same categorization task, researchers have sought to study what specific stable individual differences traits can help explain these differences. This dissertation first surveyed extant literature on the impact of trait differences on category learning then examined the effect of temperament traits on these dependent variables. Chapter 2 (scoping review): This scoping review synthesized the past literature that examined the relationship between sources of stable individual differences and category learning performance and strategy use outcomes. Five database platforms were searched to identify relevant articles, cross-referencing was also performed. Sixty-nine studies …
How Do We Represent Possibilities In The Visual World? — An Analysis Of Amodal Completion Under Cognitive And Perceptual Load., Camden Parker
How Do We Represent Possibilities In The Visual World? — An Analysis Of Amodal Completion Under Cognitive And Perceptual Load., Camden Parker
Dartmouth College Undergraduate Theses
How do cognitive and perceptual load affect the way we experience the world when the visual scene is incomplete or partially occluded? The present study seeks to answer this question with a series of experiments based on primed matching, amodal completion, and load theory. In Experiment 1, we replicated results that amodal completion is automatic and supports multiple possible completions. In Experiment 2, we found that working memory load decreases the priming effects of both partially occluded and fully visible shapes. In Experiment 3, we found that perceptual load decreases the priming effect of partially occluded shapes more so than …
Executive Function In The Classroom, Dr. Kaylin Coody Coody
Executive Function In The Classroom, Dr. Kaylin Coody Coody
National Youth Advocacy and Resilience Conference
Do you have students in your classroom who have difficulty with working memory, inhibitory control and cognitive flexibility? These are indicators of struggling with executive function. This session will cover the brain-implications and concrete strategies to work with students at all grade levels.
Does Rehearsal Matter? Left Anterior Temporal Alpha And Theta Band Changes Correlate With The Beneficial Effects Of Rehearsal On Working Memory, Chelsea Reichert Plaska, Kenneth Ng, Timothy M. Ellmore
Does Rehearsal Matter? Left Anterior Temporal Alpha And Theta Band Changes Correlate With The Beneficial Effects Of Rehearsal On Working Memory, Chelsea Reichert Plaska, Kenneth Ng, Timothy M. Ellmore
Publications and Research
Rehearsal during working memory (WM) maintenance is assumed to facilitate retrieval. Less is known about how rehearsal modulates WM delay activity. In the present study, 44 participants completed a Sternberg Task with either intact novel scenes or phase-scrambled scenes, which had similar color and spatial frequency but lacked semantic content. During the rehearsal condition participants generated a descriptive label during encoding and covertly rehearsed during the delay period. During the suppression condition participants did not generate a label during encoding and suppressed (repeated “the”) during the delay period. This was easy in the former (novel scenes) but more difficult in …
Consistent Failure To Produce A Cognitive Load Effect In Visual Working Memory Using A Standard Dual-Task Procedure, Timothy J. Ricker, Evie Vergauwe
Consistent Failure To Produce A Cognitive Load Effect In Visual Working Memory Using A Standard Dual-Task Procedure, Timothy J. Ricker, Evie Vergauwe
Publications and Research
Working memory performance is impaired when an attention-demanding task is executed during memory retention. The cognitive load effect is the consistent finding that the size of the memory impairment is determined by the relative amount of time that the secondary processing task occupies attention during memory retention. Cognitive load has been proposed to be a Priority-A benchmark any model of working memory should be able to explain (Oberauer et al., 2018), in part because the effect appears to generalize across different experimental procedures and materials. Using a standard dual-task procedure, we detail four experiments using a visual working memory recall …
Exploring The Process Of Statistical Language Learning, Nicolette B. Noonan
Exploring The Process Of Statistical Language Learning, Nicolette B. Noonan
Electronic Thesis and Dissertation Repository
In this thesis, I investigated the process of statistical word segmentation using a combination of behavioural, clinical, and neuroimaging approaches. Prior research has largely focused on the outcome of statistical learning approaches, with little research attention paid to the process of learning. In this body of research, I sought to address this issue. In Chapter 2, I examined how domain-specific and domain-general working memory interference effects on a statistical word segmentation task. I found that when completing a concurrent visuospatial or verbal working memory task, statistical language learning was impaired. Thus, this study provided some evidence that domain-general working memory …
Dual Task Testing Of The Adaptive Combination View In Spatial Reorientation, Donald G. Sullens
Dual Task Testing Of The Adaptive Combination View In Spatial Reorientation, Donald G. Sullens
Electronic Theses and Dissertations
If an organism is trained to approach a location within an enclosure the organism will approach the correct location and it’s geometrically identical location within the environment upon removal of any features. This phenomenon has been turned spatial reorientation, and further studies on how, and to what, organisms reorient have conducted in the last several decades. In the reorientation literature, two theories have surfaced to fill the void left by the rejection of the initial reorientation theory, the Geometric Module theory. I attempt look to discern if the synonym judgement dual task will hinder reorientation in a similar or different …
The Effects Of Changing Attention And Context In An Awake Offline Processing Period On Visual Long-Term Memory, Timothy M. Ellmore, Anna Feng, Kenneth Ng, Luthfunnahar Dewan, James C. Root
The Effects Of Changing Attention And Context In An Awake Offline Processing Period On Visual Long-Term Memory, Timothy M. Ellmore, Anna Feng, Kenneth Ng, Luthfunnahar Dewan, James C. Root
Publications and Research
There is accumulating evidence that sleep as well as awake offline processing is important for the transformation of new experiences into long-term memory (LTM). Yet much remains to be understood about how various cognitive factors influence the efficiency of awake offline processing. In the present study we investigated how changes in attention and context in the immediate period after exposure to new visual information influences LTM consolidation. After presentation of multiple naturalistic scenes within a working memory paradigm, recognition was assessed 30 min and 24 h later in three groups of subjects. One group of subjects engaged in a focused …
The Temporal Nature Of The Acute Stress Response And Its Impact On Explicit Learning, Steven B. Hutchinson
The Temporal Nature Of The Acute Stress Response And Its Impact On Explicit Learning, Steven B. Hutchinson
Electronic Theses and Dissertations
Acute stress is commonly experienced by many throughout their lives. Given the demanding lifestyle of many career paths, it's important to gauge the influence of these stressors upon cognitive performance. The present dissertation focus' upon explicit learning in attempts to explore one avenue of the stress-cognition relationship. The Trier Social Stress Test (TSST) was used as a lab stressor for Experiments 1 and 2, in which participants are asked to give a speech and complete a difficult math task in front of 2 evaluators trained to monitor non-verbal behavior. Experiment 1 investigates the dynamic stress response during the minutes following …
Rats (Rattus Norvegicus) Flexibly Retrieve Objects’ Non-Spatial And Spatial Information From Their Visuospatial Working Memory: Effects Of Integrated And Separate Processing Of These Features In A Missing-Object Recognition Task, Corrine Nicole Keshen, Jerome Cohen
Rats (Rattus Norvegicus) Flexibly Retrieve Objects’ Non-Spatial And Spatial Information From Their Visuospatial Working Memory: Effects Of Integrated And Separate Processing Of These Features In A Missing-Object Recognition Task, Corrine Nicole Keshen, Jerome Cohen
Psychology Publications
After being trained to find a previous missing object within an array of four different objects, rats received occasional probe trials with such test arrays rotated from that of their respective three-object study arrays. Only animals exposed to each object’s non-spatial features consistently paired with both its spatial features (feeder’s relative orientation and direction) in the first experiment or with only feeder’s relative orientation in the second experiment (Fixed Configuration groups) were adversely affected by probe trial test array rotations. This effect, however, was less persistent for this group in the second experiment but re-emerged when objects’ nonspatial features were …
Impact Of Urban Nature On Executive Functioning In Early And Middle Childhood, Anne R. Schutte, Julia C. Torquati, Heidi L. Beattie
Impact Of Urban Nature On Executive Functioning In Early And Middle Childhood, Anne R. Schutte, Julia C. Torquati, Heidi L. Beattie
Department of Psychology: Faculty Publications
According to attention restoration theory, directed attention can become fatigued and then be restored by spending time in a restorative environment. This study examined the restorative effects of nature on children’s executive functioning. Sevento 8-year-olds (school aged, n = 34) and 4- to 5-year-olds (preschool, n = 33) participated in two sessions in which they completed an activity to fatigue attention, then walked along urban streets (urban walk) in one session and in a park-like area (nature walk) in another session, and finally completed assessments of working memory, inhibitory control, and attention. Children responded faster on the attention task after …
The Relationship Between Implicit And Explicit Processing In Statistical Language Learning, Nicolette B. Noonan
The Relationship Between Implicit And Explicit Processing In Statistical Language Learning, Nicolette B. Noonan
Electronic Thesis and Dissertation Repository
Statistical language learning is an implicit process wherein language learners track sequential statistics in fluent speech, and may it facilitate the learning of word boundaries. This process is well studied, however, the cognitive mechanisms supporting it remain poorly understood. The present thesis investigated whether domain-specific or cross-domain explicit working memory engagement would impair implicit statistical learning of word boundaries in fluent speech. Participants (n = 110) were exposed to an implicit statistical word segmentation paradigm while concurrently engaged in no other task (control), or an explicit domain- specific (verbal) or cross-domain (visuospatial) working memory task of either low- or high- …
Positive Affect Improves Working Memory: Implications For Controlled Cognitive Processing, Hwajin Yang, Sujin Yang, Alice M. Isen
Positive Affect Improves Working Memory: Implications For Controlled Cognitive Processing, Hwajin Yang, Sujin Yang, Alice M. Isen
Research Collection School of Social Sciences
This study examined the effects of positive affect on working memory (WM) and short-term memory (STM). Given that WM involves both storage and controlled processing and that STM primarily involves storage processing, we hypothesised that if positive affect facilitates controlled processing, it should improve WM more than STM. The results demonstrated that positive affect, compared with neutral affect, significantly enhanced WM, as measured by the operation span task. The influence of positive affect on STM, however, was weaker. These results suggest that positive affect enhances WM, a task that involves controlled processing, not just storage processing. Additional analyses of recall …
Combining Locations From Working Memory And Long-Term Memory Into A Common Spatial Image, Nicholas Giudice, Roberta L. Klatzky, Christopher R. Bennett, Jack M. Loomis
Combining Locations From Working Memory And Long-Term Memory Into A Common Spatial Image, Nicholas Giudice, Roberta L. Klatzky, Christopher R. Bennett, Jack M. Loomis
Spatial Information Science and Engineering Faculty Scholarship
This research uses a novel integration paradigm to investigate whether target locations read in from long-term memory (LTM) differ from perceptually encoded inputs in spatial working-memory (SWM) with respect to systematic spatial error and/or noise, and whether SWM can simultaneously encompass both of these sources. Our results provide evidence for a composite representation of space in SWM derived from both perception and LTM, albeit with a loss in spatial precision of locations retrieved from LTM. More generally, the data support the concept of a spatial image in working memory and extend its potential sources to representations retrieved from LTM.
Representing 3d Space In Working Memory: Spatial Images From Vision, Hearing, Touch, And Language, Jack M. Loomis, Roberta L. Klatzky, Nicholas A. Giudice
Representing 3d Space In Working Memory: Spatial Images From Vision, Hearing, Touch, And Language, Jack M. Loomis, Roberta L. Klatzky, Nicholas A. Giudice
Spatial Information Science and Engineering Faculty Scholarship
The chapter deals with a form of transient spatial representation referred to as a spatial image. Like a percept, it is externalized, scaled to the environment, and can appear in any direction about the observer. It transcends the concept of modality, as it can be based on inputs from the three spatial senses, from language, and from long-term memory. Evidence is presented that supports each of the claimed properties of the spatial image, showing that it is quite different from a visual image. Much of the evidence presented is based on spatial updating. A major concern is whether spatial images …
Rule-Based Category Learning In Children: The Role Of Inhibitory Control, Rahel R. Rabi
Rule-Based Category Learning In Children: The Role Of Inhibitory Control, Rahel R. Rabi
Electronic Thesis and Dissertation Repository
The present study examined category learning in relation to inhibitory control and working memory in children and adults. Results revealed that categorization performance improved with age. Young children struggled with rule learning, many older children were successful at rule learning, and most adults had no difficulty with the task. Model-based analyses suggested that performance differences were due to young children’s inability to inhibit the salient, but irrelevant rule. Interestingly, when the analyses focused only on older children and adults who used the task appropriate strategy, the age-related rule-based deficit disappeared. Also, results revealed that successful performance on the categorization task …
Student Interpreters Show Encoding And Recall Differences For Information In English And American Sign Language, Jesse R. James, Kara I. Gabriel
Student Interpreters Show Encoding And Recall Differences For Information In English And American Sign Language, Jesse R. James, Kara I. Gabriel
All Faculty Scholarship for the College of the Sciences
This study investigated whether student interpreters encode and recall words differently in signed and spoken languages. Participants viewed and then recalled word lists, half of which were related through specific encoding strategies (i.e., experimental lists), and half of which lacked the availability of those strategies (i.e., control lists). Total words recalled and the temporal recall order were compared across experimental and control lists. Student interpreters utilised different strategies to remember words in English and American Sign Language (ASL), suggesting that student interpreters do not default to first-language (English) spoken strategies when encoding second-language (ASL) signed lists. However, the total number …
Spatial Working Memory For Locations Specified By Vision And Audition: Testing The Amodality Hypothesis, Jack M. Loomis, Roberta L. Klatzky, Brendan Mchugh, Nicholas A. Giudice
Spatial Working Memory For Locations Specified By Vision And Audition: Testing The Amodality Hypothesis, Jack M. Loomis, Roberta L. Klatzky, Brendan Mchugh, Nicholas A. Giudice
Spatial Information Science and Engineering Faculty Scholarship
Spatial working memory can maintain representations from vision, hearing, and touch, representations referred to here as spatial images. The present experiment addressed whether spatial images from vision and hearing that are simultaneously present within working memory retain modality-specific tags or are amodal. Observers were presented with short sequences of targets varying in angular direction, with the targets in a given sequence being all auditory, all visual, or a sequential mixture of the two. On two thirds of the trials, one of the locations was repeated, and observers had to respond as quickly as possible when detecting this repetition. Ancillary detection …