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Articles 31 - 44 of 44
Full-Text Articles in Social and Behavioral Sciences
Organizational Behaviour During Instability: A Critical Discourse Analysis Of Shared Mental Model Through Various Forms Of Acute Care Learning Using Mixed Methods, Adam Morse, Ryan Chan
Organizational Behaviour During Instability: A Critical Discourse Analysis Of Shared Mental Model Through Various Forms Of Acute Care Learning Using Mixed Methods, Adam Morse, Ryan Chan
Western Research Forum
Background: The purpose of this study is to better understand nurses' performance based on training processes. This will determine if group training will increase performance compared to independent training through a shared mental model in a contextual setting of unpredictability mediated by the effects of nurses’ perceptions of patient safety climate. A mixed methods study is conducted using critical discourse analysis of organizational documentation and semi-structured interviews to determine measures of contextual setting when identifying and treating sex trade workers.
Methods: Pragmatic study will analyze two groups of 125 nurses each determining the impact of group and individual …
Multisensory Integration And Autistic Traits Using Non-Sociolinguistic Information, Sébastien A. Lauzon, Samantha E. Schulz, Zack I. Cohen, Ryan A. Stevenson
Multisensory Integration And Autistic Traits Using Non-Sociolinguistic Information, Sébastien A. Lauzon, Samantha E. Schulz, Zack I. Cohen, Ryan A. Stevenson
Western Research Forum
Background: Sensory processing issues are one of the most common complaints in autism spectrum disorder (ASD). One area of sensory difficulties in ASD that has been the focus of intense research in recent years is multisensory integration (MSI), or the ability to bind auditory and visual information into a single, unified percept. While integration of social or linguistic information is consistently shown to be an area of difficulty in ASD, results are less clear with simple, non-sociolinguistic stimuli. This study aims to address this ambiguity by determining whether MSI of non-sociolinguistic sensory information is related to traits and symptomatology …
Improving Canadian Indigenous Health: Diabetes & Cardiovascular Disease, Sukhmeet S. Sachal
Improving Canadian Indigenous Health: Diabetes & Cardiovascular Disease, Sukhmeet S. Sachal
Western Research Forum
Background:
This abstract explores improving health outcomes for Canada’s Indigenous peoples. The increased prevalence of cardiovascular diseases (CVD) and diabetes in this population makes this a public health problem because diabetes has long-term complications that affect the cardiovascular system and can result in disability and premature death.
Methods:
A literature review using specific search terms was performed to find 36 relevant articles. Search databases for the primary and secondary information were CINAHL and PubMED, respectively.
Results:
The results were classified into five groups: (1) Previous Genetic Protection; (2) Current Day Risk; (3) Diet; (4) Barriers in Developing and Maintaining …
Cortical And Thalamic Connectivity To The Second Auditory Cortex Of The Cat Is Resilient To The Onset Of Deafness., Blake E Butler, Alexandra De La Rua, Taylor Ward-Able, Stephen G Lomber
Cortical And Thalamic Connectivity To The Second Auditory Cortex Of The Cat Is Resilient To The Onset Of Deafness., Blake E Butler, Alexandra De La Rua, Taylor Ward-Able, Stephen G Lomber
Brain and Mind Institute Researchers' Publications
It has been well established that following sensory loss, cortical areas that would normally be involved in perceiving stimuli in the absent modality are recruited to subserve the remaining senses. Despite this compensatory functional reorganization, there is little evidence to date for any substantial change in the patterns of anatomical connectivity between sensory cortices. However, while many auditory areas are contracted in the deaf, the second auditory cortex (A2) of the cat undergoes a volumetric expansion following hearing loss, suggesting this cortical area may demonstrate a region-specific pattern of structural reorganization. To address this hypothesis, and to complement existing literature …
Nutrient Intake In The First Two Weeks Of Life And Brain Growth In Preterm Neonates., Juliane Schneider, Céline J Fischer Fumeaux, Emma G Duerden, Ting Guo, Justin Foong, Myriam Bickle Graz, Patric Hagmann, M Mallar Chakravarty, Petra S Hüppi, Lydie Beauport, Anita C Truttmann, Steven P Miller
Nutrient Intake In The First Two Weeks Of Life And Brain Growth In Preterm Neonates., Juliane Schneider, Céline J Fischer Fumeaux, Emma G Duerden, Ting Guo, Justin Foong, Myriam Bickle Graz, Patric Hagmann, M Mallar Chakravarty, Petra S Hüppi, Lydie Beauport, Anita C Truttmann, Steven P Miller
Brain and Mind Institute Researchers' Publications
BACKGROUND: Optimizing early nutritional intake in preterm neonates may promote brain health and neurodevelopment through enhanced brain maturation. Our objectives were (1) to determine the association of energy and macronutrient intake in the first 2 weeks of life with regional and total brain growth and white matter (WM) maturation, assessed by 3 serial MRI scans in preterm neonates; (2) to examine how critical illness modifies this association; and (3) to investigate the relationship with neurodevelopmental outcomes.
METHODS: Forty-nine preterm neonates (21 boys, median [interquartile range] gestational age: 27.6 [2.3] weeks) were scanned serially at the following median postmenstrual weeks: 29.4, …
Acute Inhibition Of Estradiol Synthesis Impacts Vestibulo-Ocular Reflex Adaptation And Cerebellar Long-Term Potentiation In Male Rats, Cristina V. Dieni, Aldo Ferraresi, Jacqueline A. Sullivan, Sivarosa Grassi, Vito E. Pettorossi, Roberto Panichi
Acute Inhibition Of Estradiol Synthesis Impacts Vestibulo-Ocular Reflex Adaptation And Cerebellar Long-Term Potentiation In Male Rats, Cristina V. Dieni, Aldo Ferraresi, Jacqueline A. Sullivan, Sivarosa Grassi, Vito E. Pettorossi, Roberto Panichi
Brain and Mind Institute Researchers' Publications
© 2017, The Author(s). The vestibulo-ocular reflex (VOR) adaptation is an ideal model for investigating how the neurosteroid 17 beta-estradiol (E2) contributes to the modification of behavior by regulating synaptic activities. We hypothesized that E2 impacts VOR adaptation by affecting cerebellar synaptic plasticity at the parallel fiber–Purkinje cell (PF) synapse. To verify this hypothesis, we investigated the acute effect of blocking E2 synthesis on gain increases and decreases in adaptation of the VOR in male rats using an oral dose (2.5 mg/kg) of the aromatase inhibitor letrozole. We also assessed the effect of letrozole on synaptic plasticity at the PF …
Early Procedural Pain Is Associated With Regionally-Specific Alterations In Thalamic Development In Preterm Neonates., Emma G Duerden, Ruth E Grunau, Ting Guo, Justin Foong, Alexander Pearson, Stephanie Au-Young, Raphael Lavoie, M Mallar Chakravarty, Vann Chau, Anne Synnes, Steven P Miller
Early Procedural Pain Is Associated With Regionally-Specific Alterations In Thalamic Development In Preterm Neonates., Emma G Duerden, Ruth E Grunau, Ting Guo, Justin Foong, Alexander Pearson, Stephanie Au-Young, Raphael Lavoie, M Mallar Chakravarty, Vann Chau, Anne Synnes, Steven P Miller
Brain and Mind Institute Researchers' Publications
Very preterm human neonates are exposed to numerous invasive procedures as part of life-saving care. Evidence suggests that repetitive neonatal procedural pain precedes long-term alterations in brain development. However, to date the link between pain and brain development has limited temporal and anatomic specificity. We hypothesized that early exposure to painful stimuli during a period of rapid brain development, before pain modulatory systems reach maturity, will predict pronounced changes in thalamic development, and thereby cognitive and motor function. In a prospective cohort study, 155 very preterm neonates (82 males, 73 females) born 24-32 weeks' gestation underwent two MRIs at median …
A Supramodal Role Of The Basal Ganglia In Memory And Motor Inhibition: Meta-Analytic Evidence, Yuhua Guo, Taylor W. Schmitz, Marieke Mur, Catarina S. Ferreira, Michael C. Anderson
A Supramodal Role Of The Basal Ganglia In Memory And Motor Inhibition: Meta-Analytic Evidence, Yuhua Guo, Taylor W. Schmitz, Marieke Mur, Catarina S. Ferreira, Michael C. Anderson
Brain and Mind Institute Researchers' Publications
© 2017 The Authors The ability to stop actions and thoughts is essential for goal-directed behaviour. Neuroimaging research has revealed that stopping actions and thoughts engage similar cortical mechanisms, including the ventro- and dorso-lateral prefrontal cortex. However, whether and how these abilities require similar subcortical mechanisms remains unexplored. Specifically of interest are the basal ganglia, subcortical structures long-known for their motor functions, but less so for their role in cognition. To investigate the potential common mechanisms in the basal ganglia underlying action and thought stopping, we conducted meta-analyses using fMRI data from the Go/No-Go, Stop-signal, and Think/No-Think tasks. All three …
Human Neuroimaging Reveals The Subcomponents Of Grasping, Reaching And Pointing Actions., Cristiana Cavina-Pratesi, Jason D Connolly, Simona Monaco, Teresa D Figley, A David Milner, Thomas Schenk, Jody C Culham
Human Neuroimaging Reveals The Subcomponents Of Grasping, Reaching And Pointing Actions., Cristiana Cavina-Pratesi, Jason D Connolly, Simona Monaco, Teresa D Figley, A David Milner, Thomas Schenk, Jody C Culham
Brain and Mind Institute Researchers' Publications
Although the neural underpinnings of visually guided grasping and reaching have been well delineated within lateral and medial fronto-parietal networks (respectively), the contributions of subcomponents of visuomotor actions have not been explored in detail. Using careful subtraction logic, here we investigated which aspects of grasping, reaching, and pointing movements drive activation across key areas within visuomotor networks implicated in hand actions. For grasping tasks, we find activation differences based on the precision required (fine > coarse grip: anterior intraparietal sulcus, aIPS), the requirement to lift the object (grip + lift > grip: aIPS; dorsal premotor cortex, PMd; and supplementary motor area, SMA), …
Research Snapshot: Changes In Depression And Positive Mental Health Among Youth In A Healthy Relationships Program, Centre For School Mental Health
Research Snapshot: Changes In Depression And Positive Mental Health Among Youth In A Healthy Relationships Program, Centre For School Mental Health
Research Snapshots
This study explored and identified meaningful groups of youth based on their depression symptoms over time. Researchers found that youth who reported high levels of depression prior to the program experienced a significant decline in depressive symptoms and improved mental well-being following the program.
Disturbed Eeg Sleep, Paranoid Cognition And Somatic Symptoms Identify Veterans With Post-Traumatic Stress Disorder, Harvey Moldofsky, Lorne Rothman, Robert Kleinman, Shawn G. Rhind, Don Richardson
Disturbed Eeg Sleep, Paranoid Cognition And Somatic Symptoms Identify Veterans With Post-Traumatic Stress Disorder, Harvey Moldofsky, Lorne Rothman, Robert Kleinman, Shawn G. Rhind, Don Richardson
MacDonald Franklin OSI Research Centre
Background
Chronic post-traumatic stress disorder (PTSD) behavioural symptoms and medically unexplainable somatic symptoms are reported to occur following the stressful experience of military combatants in war zones. Aims
To determine the contribution of disordered EEG sleep physiology in those military combatants who have unexplainable physical symptoms and PTSD behavioural difficulties following war-zone exposure. Method
This case-controlled study compared 59 veterans with chronic sleep disturbance with 39 veterans with DSM-IV and clinician-administered PTSD Scale diagnosed PTSD who were unresponsive to pharmacological and psychological treatments. All had standardised EEG polysomnography, computerised sleep EEG cyclical alternating pattern (CAP) as a measure of sleep …
Understanding The Effects Of Education Through The Lens Of Biology, H Moriah Sokolowski, Daniel Ansari
Understanding The Effects Of Education Through The Lens Of Biology, H Moriah Sokolowski, Daniel Ansari
Brain and Mind Institute Researchers' Publications
Early educational interventions aim to close gaps in achievement levels between children. However, early interventions do not eliminate individual differences in populations and the effects of early interventions often fade-out over time, despite changes of the mean of the population immediately following the intervention. Here, we discuss biological factors that help to better understand why early educational interventions do not eliminate achievement gaps. Children experience and respond to educational interventions differently. These stable individual differences are a consequence of biological mechanisms that support the interplay between genetic predispositions and the embedding of experience into our biology. Accordingly, we argue that …
Registered Reports: Introducing A New Article Format In Developmental Science, Daniel Ansari, Judit Gervain
Registered Reports: Introducing A New Article Format In Developmental Science, Daniel Ansari, Judit Gervain
Brain and Mind Institute Researchers' Publications
No abstract provided.
Cross-Script Orthographic And Phonological Preview Benefits, Olessia Jouravlev, Debra Jared
Cross-Script Orthographic And Phonological Preview Benefits, Olessia Jouravlev, Debra Jared
Brain and Mind Institute Researchers' Publications
The present experiment examined the use of parafoveally presented first-language (LI) orthographic and phonological codes during reading of second-language (L2) sentences in proficient Russian-English bilinguals. Participants read English sentences containing a Russian preview word that was replaced by the English target word when the participant’s eyes crossed an invisible boundary located before the preview word. The use of English and Russian allowed us to manipulate orthographic and phonological preview effects independently of one another. The Russian preview words overlapped with English target words in (a) orthography (ВЕЛЮР [vʲɪˈlʲʉr]–BERRY), (b) phonology (БЛАНК [blank]–BLOOD), or (c) had no orthographic or phonological overlap …