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Articles 1 - 7 of 7
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Accelerated Clearing And Molecular Labeling Of Biological Tissues Using, Joseph Dwyer, M Desmond Ramirez, Paul S. Katz, Rolf O. Karlstrom, Joseph Bergan
Accelerated Clearing And Molecular Labeling Of Biological Tissues Using, Joseph Dwyer, M Desmond Ramirez, Paul S. Katz, Rolf O. Karlstrom, Joseph Bergan
Psychological and Brain Sciences Faculty Publication Series
Techniques used to clear biological tissue for fluorescence microscopy are essential to connect anatomical principles at levels ranging from subcellular to the whole animal. Here we report a simple and straightforward approach to efficiently render opaque tissue samples transparent and show that this approach can be modified to rapidly label intact tissue samples with antibodies for large volume fluorescence microscopy. This strategy applies a magnetohydrodynamic (MHD) force to accelerate the removal of lipids from tissue samples at least as large as an intact adult mouse brain. We also show that MHD force can be used to accelerate antibody penetration into …
Maltreatment And Brain Development: The Effects Of Abuse And Neglect On Longitudinal Trajectories Of Neural Activation During Risk Processing And Cognitive Control, Jungmeen Kim-Spoon, Toria Herd, Alexis Brieant, Kristin Peviani, Kirby Deater-Deckard, Nina Lauharatanahirun, Jacob Lee, Brooks King-Casas
Maltreatment And Brain Development: The Effects Of Abuse And Neglect On Longitudinal Trajectories Of Neural Activation During Risk Processing And Cognitive Control, Jungmeen Kim-Spoon, Toria Herd, Alexis Brieant, Kristin Peviani, Kirby Deater-Deckard, Nina Lauharatanahirun, Jacob Lee, Brooks King-Casas
Psychological and Brain Sciences Faculty Publication Series
The profound effects of child maltreatment on brain functioning have been documented. Yet, little is known about whether distinct maltreatment experiences are differentially related to underlying neural processes of risky decision making: valuation and control. Using conditional growth curve modeling, we compared a cumulative approach versus a dimensional approach (relative effects of abuse and neglect) to examine the link between child maltreatment and brain development. The sample included 167 adolescents (13?14 years at Time 1, 53 % male), assessed annually four times. Risk processing was assessed by blood-oxygen-level-dependent responses (BOLD) during a lottery choice task, and cognitive control by BOLD …
Mothers' Sleep Deficits And Cognitive Performance: Moderation By Stress And Age, Kirby Deater-Deckard, Mamatha Chary, Maureen E. Mcquillan, Angela D. Staples, John E. Bates
Mothers' Sleep Deficits And Cognitive Performance: Moderation By Stress And Age, Kirby Deater-Deckard, Mamatha Chary, Maureen E. Mcquillan, Angela D. Staples, John E. Bates
Psychological and Brain Sciences Faculty Publication Series
There are well-known associations between stress, poor sleep, and cognitive deficits, but little is known about their interactive effects, which the present study explored in a sample of mothers of toddlers. Since certain types of cognitive decline start during the 20s and continue into later ages, we also explored whether mothers' age interacted with stress and sleep in the prediction of cognitive functioning. We hypothesized that poorer sleep [measured using one week of 24-hour wrist actigraphy data] and having more chronic stressors [e.g., life events, household chaos, work/family role conflict] would be linked with poorer cognitive performance [both executive function …
A 4-Year Longitudinal Neuroimaging Study Of Cognitive Control Using Latent Growth Modeling: Developmental Changes And Brain-Behavior Associations, Jungmeen Kim-Spoon, Toria Herd, Alexis Brieant, Jacob Elder, Jacob Lee, Kirby Deater-Deckard, Brooks King-Casas
A 4-Year Longitudinal Neuroimaging Study Of Cognitive Control Using Latent Growth Modeling: Developmental Changes And Brain-Behavior Associations, Jungmeen Kim-Spoon, Toria Herd, Alexis Brieant, Jacob Elder, Jacob Lee, Kirby Deater-Deckard, Brooks King-Casas
Psychological and Brain Sciences Faculty Publication Series
Despite theoretical models suggesting developmental changes in neural substrates of cognitive control in adolescence, empirical research has rarely examined intraindividual changes in cognitive control-related brain activation using multi-wave multivariate longitudinal data. We used longitudinal repeated measures of brain activation and behavioral performance during the multi-source interference task (MSIT) from 167 adolescents (53% male) who were assessed annually over four years from ages 13 to 17 years. We applied latent growth modeling to delineate the pattern of brain activation changes over time and to examine longitudinal associations between brain activation and behavioral performance. We identified brain regions that showed differential change …
Sleep And Coping In Early Childhood During The Covid-19 Pandemic, Sanna Lokhandwala, Jennifer F. Holmes, Gina M. Mason, Christine W. St. Laurent, Cassandra Delvey, Olivia Hanron, Chloe Andre, Katrina Rodheim, Sukhmanjit Kaur, Rebecca M. C. Spencer
Sleep And Coping In Early Childhood During The Covid-19 Pandemic, Sanna Lokhandwala, Jennifer F. Holmes, Gina M. Mason, Christine W. St. Laurent, Cassandra Delvey, Olivia Hanron, Chloe Andre, Katrina Rodheim, Sukhmanjit Kaur, Rebecca M. C. Spencer
Psychological and Brain Sciences Faculty Publication Series
Sleep disturbances in early childhood are associated with mood and anxiety disorders. Children also exhibit sleep disruptions, such as nighttime awakenings, nightmares, and difficulties falling asleep, in conjunction with adverse events and stress. Prior studies have examined independently the role of sleep on adaptive processing, as well as the effects of stress on sleep. However, how childhood sleep and children's adaptive behavior (i.e., coping strategies) bidirectionally interact is currently less known. Using a within-subjects design and actigraphy-measured sleep from 16 preschool-aged children (M-age = 56.4 months, SD = 10.8, range: 36-70 months), this study investigated how prior sleep patterns relate …
Processes Linking Socioeconomic Disadvantage And Neural Correlates Of Cognitive Control In Adolescence, Alexis Brieant, Toria Herd, Kirby Deater-Deckard, Jacob Lee, Brooks King-Casas
Processes Linking Socioeconomic Disadvantage And Neural Correlates Of Cognitive Control In Adolescence, Alexis Brieant, Toria Herd, Kirby Deater-Deckard, Jacob Lee, Brooks King-Casas
Psychological and Brain Sciences Faculty Publication Series
Socioeconomic status (SES) is broadly associated with self-regulatory abilities across childhood and adolescence. However, there is limited understanding of the mechanisms underlying this association, especially during adolescence when individuals are particularly sensitive to environmental influences. The current study tested perceived stress, household chaos, parent cognitive control, and parent-adolescent relationship quality as potential proximal mediators of the association between family SES and neural correlates of cognitive control. A sample of 167 adolescents and their primary caregivers participated in a longitudinal study across four years. SES was indexed by caregivers? education and income-to-needs ratio at Time 1. At Time 2, adolescents reported …
Effects Of Tdcs Dose And Electrode Montage On Regional Cerebral Blood Flow And Motor Behavior, Anant B. Shinde, Karl D. Lerud, Fanny Munsch, David C. Alsop, Gottfried Schlaug
Effects Of Tdcs Dose And Electrode Montage On Regional Cerebral Blood Flow And Motor Behavior, Anant B. Shinde, Karl D. Lerud, Fanny Munsch, David C. Alsop, Gottfried Schlaug
Psychological and Brain Sciences Faculty Publication Series
5, 6, 7, 8) in the hypothesized brain regions. Violations to consecutiveness elicited brain activity in the right inferior frontal gyrus (IFG) and the supplementary motor area (SMA). In contrast, no such activation was observed in the auditory cortex, despite violations in voice identity recruiting strong activity in that region. Also, no activation was observed in the inferior parietal lobule, despite a robust effect of orderedness observed in that brain region. These findings indicate that listening to counting sequences do not automatically elicit sensory or magnitude codes but suggest that the precise increments in the sequence are tracked by the …