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University of Illinois, Urbana-Champaign

9 ARTICLES PUBLISHED IN JoVE

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Neuroscience

Brain Imaging Investigation of the Neural Correlates of Observing Virtual Social Interactions
Keen Sung 1, Sanda Dolcos 2, Sophie Flor-Henry 3, Crystal Zhou 3, Claudia Gasior 4, Jennifer Argo 5, Florin Dolcos 2,6,7
1Department of Computing Science, University of Alberta, 2Department of Psychology, University of Illinois, 3Centre for Neuroscience, University of Alberta, 4Department of Psychology, University of Alberta, 5Department of Marketing, Business Economics, and Law, University of Alberta, 6Neuroscience Program, University of Illinois at Urbana-Champaign, 7Beckman Institute, University of Illinois at Urbana-Champaign

This article demonstrates an experimental design in which whole-body animated characters are used in conjunction with functional magnetic resonance imaging (fMRI) to investigate the neural correlates of observing virtual social interactions.

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Neuroscience

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
Ekaterina Denkova 1, Trisha Chakrabarty 1, Sanda Dolcos 1,2, Florin Dolcos 1,2,3,4
1Department of Psychiatry, University of Alberta, Edmonton, 2Psychology Department, University of Illinois, Urbana-Champaign, 3Neuroscience Program, University of Illinois, Urbana-Champaign, 4Beckman Institute for Advanced Science & Technology, University of Illinois, Urbana-Champaign

We present a protocol that allows investigation of the neural correlates of recollecting emotional autobiographical memories, using functional magnetic resonance imaging. This protocol can be used with both healthy and clinical participants.

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Neuroscience

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
Sanda Dolcos 1, Keen Sung 2, Ekaterina Denkova 3, Roger A. Dixon 4,5, Florin Dolcos 1,6,7
1Department of Psychology, University of Illinois, Urbana-Champaign, 2Department of Computing Science, University of Alberta, Edmonton, 3Department of Psychiatry, University of Alberta, Edmonton, 4Department of Psychology, University of Alberta, Edmonton, 5Centre for Neuroscience, University of Alberta, Edmonton, 6Neuroscience Program, University of Illinois, Urbana-Champaign, 7Beckman Institute, University of Illinois, Urbana-Champaign

We present a protocol that allows investigation of the neural correlates of deliberate and automatic emotion regulation, using functional magnetic resonance imaging. This protocol can be used in healthy participants, both young and older, as well as in clinical patients.

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Neuroscience

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
Andrea Shafer 1, Alexandru Iordan 2, Roberto Cabeza 3, Florin Dolcos 1,4
1Centre for Neuroscience, University of Alberta, 2Neuroscience Program, University of Illinois, Urbana-Champaign, 3Center for Cognitive Neuroscience, Duke University, 4Psychology Department, Neuroscience Program, & Beckman Institute, University of Illinois, Urbana-Champaign

We present a protocol that uses functional magnetic resonance imaging to investigate the neural correlates of the memory-enhancing effect of emotion. This protocol allows identification of brain activity specifically linked to memory-related processing, contrary to more general perceptual processing, and can be used with healthy and clinical populations.

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Neuroscience

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
Gloria Wong 1,2, Sanda Dolcos 1,3, Ekaterina Denkova 1, Rajendra Morey 4,5,6, Lihong Wang 4,5, Gregory McCarthy 6,7, Florin Dolcos 1,2,3,8,9
1Department of Psychiatry, University of Alberta, 2Centre for Neuroscience, University of Alberta, 3Department of Psychology, University of Illinois, 4Brain Imaging and Analysis Center, Duke University , 5Department of Psychiatry and Behavioral Sciences, Duke University , 6Mid-Atlantic Mental Illness Research Education and Clinical Center, VA Medical Center, 7Department of Psychology, Yale University, 8Neuroscience Program, University of Illinois, 9Beckman Institute for Advanced Science & Technology, University of Illinois

We present a protocol that allows investigation of the neural mechanisms mediating the detrimental impact of emotion on cognition, using functional magnetic resonance imaging. This protocol can be used with both healthy and clinical participants.

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Biology

Two Types of Assays for Detecting Frog Sperm Chemoattraction
Lindsey A. Burnett 1, Nathan Tholl 2, Douglas E. Chandler 2
1Department of Animal Sciences, University of Illinois, Urbana-Champaign, 2School of Life Sciences, Arizona State University

Eggs and the extracellular coatings around eggs frequently release peptides, proteins and small molecules that communicate with sperm to guide them to the egg thereby promoting fertilization. Using frog sperm we describe and compare two classes of assays used to detect sperm chemoattraction – sperm accumulation assays and sperm tracking assays.

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Neuroscience

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures
Matthew Moore *1, Yifan Hu *1, Sarah Woo 1, Dylan O'Hearn 1, Alexandru D. Iordan 2,3, Sanda Dolcos 1, Florin Dolcos 1,2,3
1Psychology Department, University of Illinois Urbana-Champaign, 2Neuroscience Program, University of Illinois Urbana-Champaign, 3Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign

The present work provides a comprehensive set of guidelines for manually tracing the medial temporal lobe (MTL) structures. This protocol can be applied to research involving structural and/or combined structural-functional magnetic resonance imaging (MRI) investigations of the MTL, in both healthy and clinical groups.

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Medicine

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer
Yiru Chen Zhao 1, Zeynep Madak Erdogan 1
1Department of Food Sciences and Human Nutrition, University of Illinois, Urbana-Champaign

Integration of data from genome-wide sequencing experiments and metabolomics experiments is a challenge. In this paper we report, for the first time, generation, analysis and integration of transcriptome, cistrome and metabolome data from breast cancer cells treated with estradiol.

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Biochemistry

Single-Molecule Diffusion and Assembly on Polymer-Crowded Lipid Membranes
Satyaghosh Maurya 1, Vishwesh Haricharan Rai 1, Aditya Upasani 1, Saurabh Umrao 1,2, Diksha Parwana 1, Rahul Roy 1,3
1Department of Chemical Engineering, Indian Institute of Science, 2Holonyak Micro & Nanotechnology Lab, University of Illinois, Urbana-Champaign, 3Center for BioSystems Science and Engineering, Indian Institute of Science

Here, a protocol to perform and analyze the binding, mobility, and assembly of single molecules on artificial crowded lipid membranes using single-molecule total internal reflection fluorescence (smTIRF) microscopy is presented.

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