Christine Salahub
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View article: Designed for simplicity, used for complexity: The systemic pressures shaping walk-in clinic practices and outcomes
Designed for simplicity, used for complexity: The systemic pressures shaping walk-in clinic practices and outcomes Open
Walk-in clinics (WICs), appreciated for their accessibility and convenience, have become an increasingly popular healthcare option in Ontario for patients with and without primary care enrolment. Despite their utility, WICs face criticism …
View article: Reduced distractor filtering with age: Evidence from the distractor positivity ERP
Reduced distractor filtering with age: Evidence from the distractor positivity ERP Open
Previous behavioral research has demonstrated that when given positive and negative cues (e.g., attend to blue vs ignore red), young and older adults are able to use this information to a similar extent. However, it is possible that older …
View article: Health Care Utilization After a Visit to a Within-Group Family Physician vs a Walk-In Clinic Physician
Health Care Utilization After a Visit to a Within-Group Family Physician vs a Walk-In Clinic Physician Open
Compared to visiting a walk-in clinic physician, seeing a within-group physician after hours might decrease downstream emergency department visits. This finding could be explained by better continuity of care and can inform primary care se…
View article: Reduced distractor filtering with age: Evidence from the distractor positivity ERP
Reduced distractor filtering with age: Evidence from the distractor positivity ERP Open
Previous behavioral research has demonstrated that when given positive and negative cues (e.g., attend to blue vs ignore red), young and older adults are able to use this information to a similar extent. However, it is possible that older …
View article: Reduced distractor filtering with age: Evidence from the distractor positivity ERP
Reduced distractor filtering with age: Evidence from the distractor positivity ERP Open
Previous behavioral research has demonstrated that when given positive and negative cues (i.e., cues indicating the features of upcoming targets and distractors, respectively), young and older adults are able to use this information to a s…
View article: Characteristics of walk-in clinic physicians and patients in Ontario
Characteristics of walk-in clinic physicians and patients in Ontario Open
Physicians who primarily work in walk-in clinics saw many patients from historically underserved groups and many patients who were attached to another family physician.
View article: A shifting terrain: Understanding the perspectives of walk-in physicians on their roles amid worsening primary care access in Ontario, Canada
A shifting terrain: Understanding the perspectives of walk-in physicians on their roles amid worsening primary care access in Ontario, Canada Open
Background High-quality primary care is associated with better health outcomes and more efficient and equitable health system performance. However, the rate of primary care attachment is falling, and timely access to primary care is worsen…
View article: Characteristics of Walk-In Clinic Physicians and Patients in Ontario, Canada: A Cross-Sectional Study
Characteristics of Walk-In Clinic Physicians and Patients in Ontario, Canada: A Cross-Sectional Study Open
Objective We aimed to describe family physicians who primarily practice in a walk-in clinic setting and compare them to family physicians who provide longitudinal care. Design A cross-sectional study that linked results from an annual phys…
View article: Virtual Visits With Own Family Physician vs Outside Family Physician and Emergency Department Use
Virtual Visits With Own Family Physician vs Outside Family Physician and Emergency Department Use Open
Importance Virtual visits became more common after the COVID-19 pandemic, but it is unclear in what context they are best used. Objective To investigate whether there was a difference in subsequent emergency department use between patients…
View article: Up-to-date on cancer screening among Ontario patients seen by walk-in clinic physicians: A retrospective cohort study
Up-to-date on cancer screening among Ontario patients seen by walk-in clinic physicians: A retrospective cohort study Open
Walk-in clinics are typically viewed as high-volume locations for managing acute issues but also may serve as a location for primary care, including cancer screening, for patients without a family physician. In this population-based cohort…
View article: Walk-in clinic patient characteristics and utilization patterns in Ontario, Canada: a cross-sectional study
Walk-in clinic patient characteristics and utilization patterns in Ontario, Canada: a cross-sectional study Open
Our findings suggest that proximity of walk-in clinics and after-hours access may be contributing to walk-in clinic use among patients enrolled with a family physician. These findings have implications for policy development to improve the…
View article: Characteristics and practice patterns of family physicians who provide home visits in Ontario, Canada: a cross-sectional study
Characteristics and practice patterns of family physicians who provide home visits in Ontario, Canada: a cross-sectional study Open
A small subset of home visit physicians provided a large proportion of home visits in Ontario. These home visits may be addressing a gap in access to primary care for certain patients, but could be contributing to lower continuity of care.
View article: Characteristics and Health Care Use of Patients Attending Virtual Walk-in Clinics in Ontario, Canada: Cross-sectional Analysis
Characteristics and Health Care Use of Patients Attending Virtual Walk-in Clinics in Ontario, Canada: Cross-sectional Analysis Open
Background Funding changes in response to the COVID-19 pandemic supported the growth of direct-to-consumer virtual walk-in clinics in several countries. Little is known about patients who attend virtual walk-in clinics or how these clinics…
View article: Melatonin for Insomnia in Medical Inpatients: A Narrative Review
Melatonin for Insomnia in Medical Inpatients: A Narrative Review Open
In this narrative review, we describe what is known about non-pharmacological and pharmacological treatments for insomnia in medical inpatients, with a focus on melatonin. Hospital-acquired insomnia is common, resulting in shortened total …
View article: Sensory delay activity: more than an electrophysiological index of working memory load
Sensory delay activity: more than an electrophysiological index of working memory load Open
Sustained contralateral delay activity (CDA) emerges in the retention period of working memory (WM) tasks and has been commonly interpreted as an electrophysiological index of the number of items held in a discrete-capacity working memory …
View article: Characteristics and healthcare use of patients attending virtual walk-in clinics: a cross-sectional analysis
Characteristics and healthcare use of patients attending virtual walk-in clinics: a cross-sectional analysis Open
Importance Virtual walk-in clinics have proliferated since the onset of COVID-19. Yet, little is known about those who participate in this care model, and how virtual walk-in clinics contribute to care continuity and patient healthcare uti…
View article: Electrophysiological measures of flexible attentional control and visual working memory maintenance
Electrophysiological measures of flexible attentional control and visual working memory maintenance Open
Top-down attentional control can be used to both guide attention toward and away from items according to their goal relevance. When given a feature-based cue, such as the colour of an upcoming target, individuals can allocate attention and…
View article: Divergent effects of positive and negative cueing on target enhancement and distractor suppression
Divergent effects of positive and negative cueing on target enhancement and distractor suppression Open
During visual search, one can use information about target features, such as color or shape, to guide attention (positive cueing). Attention can also be guided away from irrelevant items through active suppression of distractor features (n…
View article: Fear not! Anxiety biases attentional enhancement of threat without impairing working memory filtering
Fear not! Anxiety biases attentional enhancement of threat without impairing working memory filtering Open
Individuals with anxiety have attentional biases toward threat-related distractors. This deficit in attentional control has been shown to impact visual working memory (VWM) filtering efficiency, as anxious individuals inappropriately store…
View article: Neural markers of visual working memory encoding and maintenance track attentional prioritization
Neural markers of visual working memory encoding and maintenance track attentional prioritization Open
There is a limit to how much information can be stored in visual working memory (VWM). Previous models of this limitation have focused on the effects of VWM load, finding that behavioral recall of memory items becomes worse as load increas…
View article: Electrophysiological correlates of the flexible allocation of visual working memory resources
Electrophysiological correlates of the flexible allocation of visual working memory resources Open
Visual working memory is a brief, capacity-limited store of visual information that is involved in a large number of cognitive functions. To guide one’s behavior effectively, one must efficiently allocate these limited memory resources acr…
View article: ERP measures of target and distractor processing are affected by attentional prioritization
ERP measures of target and distractor processing are affected by attentional prioritization Open
When faced with relevant and irrelevant information, attention can act as a "bouncer in brain", letting in important information while filtering out distractors. However, when all items are relevant, attention may also act as a dial, adjus…
View article: The Effect of Emotion on Processing Distractor Items in a Visual Working Memory Task
The Effect of Emotion on Processing Distractor Items in a Visual Working Memory Task Open
Emotion (whether positive or negative) has been found to influence both attention and memory-related processes. Xie and Zhang (2016) found that negative affect in particular increases the resolution of information that is stored in visual …
View article: An Investigation into ERP Measures of Attention and Awareness using Object-Substitution Masking
An Investigation into ERP Measures of Attention and Awareness using Object-Substitution Masking Open
Attention and awareness are cognitive processes that can be investigated using electrophysiological recordings of brain activity. Fluctuations of electrical potentials in response to cognitive tasks reflect processes such as selective atte…