Social and Behavioral Sciences Commons^™

Parenting At Midnight: Measuring Parents' Thoughts And Strategies To Help Young Children Sleep Through The Night, Aimee J. Coulombe

Electronic Thesis and Dissertation Repository

Throughout the night, brief periods of arousal are common and not necessarily indicative of problematic sleep. Awakening without an easy return to sleep (“night-waking”), however, can be problematic for parents and children alike. Approximately 30% of preschool-aged children wake at least once per night and require parental intervention (“help or assistance”). Although parents’ responses to children’s night-waking (i.e., parents’ night-waking strategies) can determine the course of night-waking over time, very little is known about night-waking strategy use among parents of preschool-aged children. The purpose of the present dissertation was to lay the foundation upon which a better understanding of the …

Prospective Evaluation Of A Cognitive Vulnerability-Stress Model For Depression: The Interaction Of Schema Self-Structures And Negative Life Events., Pamela M Seeds, David J A Dozois

Psychology Publications

This study tested the diathesis-stress component of Beck's (1967) cognitive theory of depression. Initially, participants completed measures assessing cognitive organization of the self-schema and depressive symptoms. One year later, participants completed measures assessing cognitive organization of the self-schema, depressive symptoms, and negative life events. Hierarchical multiple regression analyses, controlling for initial depression, indicated that more tightly interconnected negative content was associated with greater elevations in depressive symptoms following the occurrence of life events. More diffusely interconnected positive content for interpersonal self-referent information also interacted with life events to predict depressive symptoms. Cognitive organization dimensions showed moderate to high stability across …

Mental Blocks: The Behavioural Effects And Neural Encoding Of Obstacles When Reaching And Grasping, Craig S. Chapman

Electronic Thesis and Dissertation Repository

The ability to adeptly interact with a cluttered and dynamic world requires that the brain simultaneously encode multiple objects. Theoretical frameworks of selective visuomotor attention provide evidence for parallel encoding (Baldauf & Deubel, 2010; Cisek & Kalaska, 2010; Duncan, 2006) where concurrent object processing results in neural competition. Since the end goal of object representation is usually action, these frameworks argue that the competitive activity is best characterized as the development of visuomotor biases. While some behavioural and neural evidence has been accumulated in favour of this explanation, one of the most striking, yet deceptively common, demonstrations of this capacity …

Causality And Similarity In Autobiographical Event Structure: An Investigation Using Event Cueing And Latent Semantic Analysis, Christopher M. O'Connor

Electronic Thesis and Dissertation Repository

The influence of similarity- and causally-based relations on the organization of autobiographical events was investigated using extended strings of related event memories. These strings were elicited using an event cueing paradigm in which participants generated descriptions of memories from their life, which were then presented as cues to subsequent event memories. In Experiment 1, similarity between generated events was investigated using participants’ similarity ratings, Latent Semantic Analysis, and experimenter judgements of shared event properties. For events close together in a string, event owners’ similarity ratings were higher than non-owners’, and non-owners’ ratings were comparable to similarity calculated using LSA. In …

London And Middlesex Local Immigration Partnership – Research Needs And Potential Partnerships, Huda Hussein

Migration and Ethnic Relations Colloquium Series

No abstract provided.

Failing To Ignore: Paradoxical Neural Effects Of Perceptual Load On Early Attentional Selection In Normal Aging, Taylor W. Schmitz, Frederick H.T. Cheng, Eve De Rosa

Brain and Mind Institute Researchers' Publications

We examined visual selective attention under perceptual load - simultaneous presentation of task-relevant and -irrelevant information - in healthy young and older adult human participants to determine whether age differences are observable at early stages of selection in the visual cortices. Participants viewed 50/50 superimposed face/place images and judged whether the faces were male or female, rendering places perceptible but task-irrelevant. Each stimulus was repeated, allowing us to index dynamic stimulus-driven competition from places. Consistent with intact early selection in young adults, we observed no adaptation to unattended places in parahippocampal place area (PPA) and significant adaptation to attended faces …

Fall-Related Stigma In Older Adulthood: A Mixed Methods Approach To Understanding The Influence Of Stigma On Older Adults' Reported Attitudes And Behaviours Regarding Falls, Heather M. Hanson

Electronic Thesis and Dissertation Repository

Falls during older adulthood present a major threat to the health and wellbeing of older adults and a challenge to society. While effective fall prevention strategies have been developed to address risk factors for falls, older adults commonly resist participation in such programming and dissociate from the topic of falls in general. After reviewing research findings and the theoretical literature, support was found for approaching falls as a stigmatizing topic for older adults. Three mixed methods experiments were completed to test the influence of stigma on older adults‟ attitudes, opinions, and behaviours. Experiments 1 and 2 tested the labelling aspect …

The Development And Validation Of An Expertise Development Model For Sport Coaches, Melissa L. Wiman

Electronic Thesis and Dissertation Repository

The objective of this dissertation was to develop and validate a model for coaching expertise development using semi-structured interviews. The aim of Study One was twofold: first, to examine how coaching expertise is defined and second, to investigate how this expertise develops over time. Interviews were completed with elite athletes and elite coaches and were done in the tradition of grounded theory. Results suggested that there is a need to go beyond identifying a coach as an expert based on the performance of his/her athletes. Some of the additional criteria suggested included: be recognized by peers (other coaches) as experts; …

Neural Reuse: A Fundamental Organizational Principle Of The Brain, Michael Anderson

Brain and Mind Institute Researchers' Publications

An emerging class of theories concerning the functional structure of the brain takes the reuse of neural circuitry for various cognitive purposes to be a central organizational principle. According to these theories, it is quite common for neural circuits established for one purpose to be exapted (exploited, recycled, redeployed) during evolution or normal development, and be put to different uses, often without losing their original functions. Neural reuse theories thus differ from the usual understanding of the role of neural plasticity (which is, after all, a kind of reuse) in brain organization along the following lines: According to neural reuse, …

Multiple Mechanisms Of Consciousness: The Neural Correlates Of Emotional Awareness., Jayna M Amting, Steven G Greening, Derek G V Mitchell

Brain and Mind Institute Researchers' Publications

Emotional stimuli, including facial expressions, are thought to gain rapid and privileged access to processing resources in the brain. Despite this access, we are conscious of only a fraction of the myriad of emotion-related cues we face everyday. It remains unclear, therefore, what the relationship is between activity in neural regions associated with emotional representation and the phenomenological experience of emotional awareness. We used functional magnetic resonance imaging and binocular rivalry to delineate the neural correlates of awareness of conflicting emotional expressions in humans. Behaviorally, fearful faces were significantly more likely to be perceived than disgusted or neutral faces. Functionally, …

Deficits In Attention To Emotional Stimuli Distinguish Youth With Severe Mood Dysregulation From Youth With Bipolar Disorder., Brendan A Rich, Melissa A Brotman, Daniel P Dickstein, Derek G V Mitchell, R James R Blair, Ellen Leibenluft

Brain and Mind Institute Researchers' Publications

Studying attention in the context of emotional stimuli may aid in differentiating pediatric bipolar disorder (BD) from severe mood dysregulation (SMD). SMD is characterized by chronic irritability, arousal, and hyper-reactivity; SMD youth frequently receive a BD diagnosis although they do not meet DSM-IV criteria for BD because they lack manic episodes. We compared 57 BD (14.4 +/- 2.9 years old, 56% male), 41 SMD (12.6 +/- 2.6 years old, 66% male), and 33 control subjects (13.7 +/- 2.5 years old, 52% male) using the Emotional Interrupt task, which examines how attention is impacted by positive, negative, or neutral distracters. We …

Somatic Symptom Overlap In Beck Depression Inventory-Ii Scores Following Myocardial Infarction., Brett D Thombs, Roy C Ziegelstein, Louise Pilote, David J A Dozois, Aaron T Beck, Keith S Dobson, Samantha Fuss, Peter De Jonge, Sherry L Grace, Donne E Stewart, Johan Ormel, Susan E Abbey

Psychology Publications

BACKGROUND: Depression measures that include somatic symptoms may inflate severity estimates among medically ill patients, including those with cardiovascular disease.

AIMS: To evaluate whether people receiving in-patient treatment following acute myocardial infarction (AMI) had higher somatic symptom scores on the Beck Depression Inventory-II (BDI-II) than a non-medically ill control group matched on cognitive/affective scores.

METHOD: Somatic scores on the BDI-II were compared between 209 patients admitted to hospital following an AMI and 209 psychiatry out-patients matched on gender, age and cognitive/affective scores, and between 366 post-AMI patients and 366 undergraduate students matched on gender and cognitive/affective scores.

RESULTS: Somatic symptoms …

Mbqs-72 For Detailed Video Coding (2010), Greg Moran, David Pederson, Sandi Bento

Greg Moran

No abstract provided.

Motor Output Evoked By Subsaccadic Stimulation Of Primate Frontal Eye Fields., Brian D Corneil, James K Elsley, Benjamin Nagy, Sharon L Cushing

Brain and Mind Institute Researchers' Publications

In addition to its role in shifting the line of sight, the oculomotor system is also involved in the covert orienting of visuospatial attention. Causal evidence supporting this premotor theory of attention, or oculomotor readiness hypothesis, comes from the effect of subsaccadic threshold stimulation of the oculomotor system on behavior and neural activity in the absence of evoked saccades, which parallels the effects of covert attention. Here, by recording neck-muscle activity from monkeys and systematically titrating the level of stimulation current delivered to the frontal eye fields (FEF), we show that such subsaccadic stimulation is not divorced from immediate motor …

Seasonal Hippocampal Plasticity In Food-Storing Birds., David F Sherry, Jennifer S Hoshooley

Psychology Publications

Both food-storing behaviour and the hippocampus change annually in food-storing birds. Food storing increases substantially in autumn and winter in chickadees and tits, jays and nutcrackers and nuthatches. The total size of the chickadee hippocampus increases in autumn and winter as does the rate of hippocampal neurogenesis. The hippocampus is necessary for accurate cache retrieval in food-storing birds and is much larger in food-storing birds than in non-storing passerines. It therefore seems probable that seasonal change in caching and seasonal change in the hippocampus are causally related. The peak in recruitment of new neurons into the hippocampus occurs before birds …

Theta-Activity In Anterior Cingulate Cortex Predicts Task Rules And Their Adjustments Following Errors, Thilo Womelsdorf, Kevin Johnston, Martin Vinck, Stefan Everling

Brain and Mind Institute Researchers' Publications

Accomplishing even simple tasks depend on neuronal circuits to configure how incoming sensory stimuli map onto responses. Controlling these stimulus-response (SR) mapping rules relies on a cognitive control network comprising the anterior cingulate cortex (ACC). Single neurons within the ACC convey information about currently relevant SR mapping rules and signal unexpected action outcomes, which can be used to optimize behavioral choices. However, its functional significance and the mechanistic means of interaction with other nodes of the cognitive control network remain elusive and poorly understood. Here, we report that core aspects of cognitive control are encoded by rhythmic theta-band activity within …

From Infant Attachment Security To Mother-Child Emotion Dialogues: Understanding Emotion Communication In The Early Years, Celia Hsiao, Greg Moran, Nina Koren-Karie

Psychology Presentations

Researchers have become increasingly interested in understanding the developmental trajectory of attachment security from the preverbal infancy period to later verbal stages. One approach that has received much theoretical and empirical support is to examine the capacity of children and their mothers to work together in co-constructing narratives around personal and emotional events(Bretherton, 1990; Oppenheim, Koren-Karie & Sagi-Schwartz, 2007). It has been suggested (Oppenheim & Koren-Karie, 2009) that open communication between a secure dyad during infancy, involving primarily non-verbal signals, provides the basis for an open and fluid communication style in the preschool years. The secure child feels confident in …

Beyond Sensitivity: Patterns Of Maternal Interaction In Secure Vs. Non-Secure Attachment Relationships, Tara Morley, Ya Xue, Kathleen O'Connor, Greg Moran, David Pederson, Sandi Bento

Psychology Presentations

Attachment theory proposes that the sensitivity of a mother’s interactions with her child is the main developmental determinant of the quality of their attachment relationship (Ainsworth et al., 1978; De Wolff & van Ijzendoorn, 1997).

Empirical findings have generally supported this assertion; however, the strength of this association remains a matter of debate as the results of empirical findings have been highly variable (Atkinson et al., 2000; DeWolff & van IJzendoorn, 1997).

Several researchers have suggested that assessing maternal behaviour as a single global dimension may fail to capture important variation in the quality of interactions that influence the developing …

The Development Of Disorganized Attachment In Infants Of Adult And Adolescent Mothers, Tara Morley, Greg Moran, David Pederson, Sandi Bento, Heidi Bailey

Psychology Presentations

Attachment theory proposes that maternal sensitivity is the main developmental determinant of Organized attachment relationships (Ainsworth Blehar, Waters & Wall, 1978; DeWolff & van IJzendoorn, 1997); In contrast, Disorganized attachment relationships are held to be the product of frightened, frightening or atypical maternal behaviour (Lyons-Ruth, Bronfman, & Parson, 1999; Main & Hesse, 1990).

However, recent research has identified associations between low levels of maternal sensitivity and Disorganized attachment in high-risk populations (Bernier & Meins, 2008; Moran, Forbes, Evans, Tarabulsy, & Madigan, 2008; van IJzendoorn, Scheungel & Bakermans-Kranenburg, 1999); This raises the possibility that maternal sensitivity may contribute to the development …

The Continuity Of Attachment Development From Infancy To Toddlerhood: The Role Of Maternal Sensitivity, Ya F. Xue, Greg Moran, David R. Pederson, Sandi Bento

Psychology Presentations

The patterns of attachment between infants and mothers have far-reaching consequences for infants’ development; infants with secure attachments fare better socially and emotionally than those with non-secure attachments (Deklyen & Greenberg,2008).

Theory suggests that differences in attachment quality result from differences in mother-child interactions: secure attachment results from a history of sensitive interactions and non-secure attachment from insensitive interaction.

Since the attachment security is held to be a product of the quality of interactions; a change in the quality of interactions should theoretically lead to a change in attachment quality. Thus, a child in a secure relationship later encountering insensitive …

Maternal State Of Mind: How Does It Impact The Ability To Flexibly Adjust To Siblings' Needs?, Kathleen Anne O'Connor, Greg Moran, David R. Pederson, Sandi Bento

Psychology Presentations

PURPOSE: To investigate the impact of maternal state of mind on the ability to adapt interactive behavior and perceptions of attachment behaviour across siblings.

RESULTS: Maternal sensitivity and perceptions of siblings’ attachment behavior were highly correlated across children of non-Autonomous mothers, but not Autonomous mothers. Non- Autonomous mothers behaved similarly on eight domains of interactive behaviour, while Autonomous mothers behaved similarly on only two.

CONCLUSION: These findings suggest that maternal state of mind is implicated in the ability to flexibly adapt interactive style and relationship-specific attachment perceptions across siblings.

Exploring The Development Of Attachment In Infants Of Adult And Adolescent Mothers, Tara Morley, Greg Moran, David Pederson, Heidi Bailey

Psychology Presentations

While many studies have looked at the development of attachment relationships for adult and adolescent mothers separately, few studies have directly compared these two groups in a single study

The current study further explored the origins of attachment relationships for adolescent mothers and their infants by directly comparing the development of these processes with adult mothers and their infants

The hypothesis that differences in the distributions of attachment classifications among these two populations is a result of low levels of sensitivity has yet to be tested in a mediational analysis

The current study will test a model whereby differences in …

Running Enhances Spatial Pattern Separation In Mice., David J Creer, Carola Romberg, Lisa M Saksida, Henriette Van Praag, Timothy J Bussey

Brain and Mind Institute Researchers' Publications

Increasing evidence suggests that regular exercise improves brain health and promotes synaptic plasticity and hippocampal neurogenesis. Exercise improves learning, but specific mechanisms of information processing influenced by physical activity are unknown. Here, we report that voluntary running enhanced the ability of adult (3 months old) male C57BL/6 mice to discriminate between the locations of two adjacent identical stimuli. Improved spatial pattern separation in adult runners was tightly correlated with increased neurogenesis. In contrast, very aged (22 months old) mice had impaired spatial discrimination and low basal cell genesis that was refractory to running. These findings suggest that the addition of …

Lifting Without Seeing: The Role Of Vision In Perceiving And Acting Upon The Size‐Weight Illusion, Gavin Buckingham, Melvyn A. Goodale

Psychology Presentations

Our expectations of an object’s heaviness not only drive our fingertip forces, but also our perception of heaviness. This effect is highlighted by the classic size-weight illusion (SWI), where different‐sized objects of identical mass feel different weights (Charpentier, 1891) long after any initial errors in the application of fingertip forces have been corrected (Flanagan & Beltzner, 2000).

Here, we examined whether our expectations about the weight of an upcoming lift are sufficient to induce the SWI in a single wooden cube when lifted without visual feedback, by varying the size of the object seen prior to the lift during a …

Laterality, Perception, And Action During The Size-Weight Illusion, Gavin Buckingham, Nathalie S. Ranger, Melvyn A. Goodale

Psychology Presentations

In the classic size-weight illusion (SWI), a small object will feel heavier than an larger object of equal weight (Charpentier, 1891). Individuals continue to perceive this illusory difference in weight long after their gripping and lifting forces have scaled to the actual, identical, mass of the illusion-inducing stimuli (Flanagan & Beltzner, 2000).

The independence of our weight perception and fingertip force application has only been quantified in the right hand of right-handers. The immunity to this perceptual illusion may be affected by manual asymmetries (e.g., Gonzalez, Ganel & Goodale, 2006).

We examined perception of heaviness and fingertip force scaling in …

Beyond Scientific Materialism: Toward A Transcendent Theory Of Consciousness, Imants Barušs

Psychology

Analysis of the social-cognitive substrate of scientific activity reveals that much of science functions in an inauthentic mode whereby a materialist world view constrains the authentic practice of science. But materialism cannot explain matter, as evidenced by empirical data concerning the nature of physical manifestation. Nor, then, should materialism be the basis for our interpretation of consciousness. It is time to move beyond scientific materialism and develop transcendent theories of consciousness. Such theories should minimally meet the following criteria: they should be based on all of the usual empirical data concerning consciousness, including altered states of consciousness; they should take …

The Annual Home County Attachment Workshop, Greg Moran

Greg Moran

No abstract provided.