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Our current research interests are the manner in which the processes involved in learning and memory consolidation depend on sleep and emotions; the neural substrates of PTSD; and the neural substrate of empathy. Our focus is on the role of substances called neuromodulators (e.g. acetylcholine, dopamine). We use a multi-disciplinary approach that includes in vitro and in vivo neurophysiology in rats, psychophysical tests in humans and computational models in computers. In collaboration with others, we also are interested in how knowledge about the brain can help in the building of better robots.Show Less
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Courses
- CNAGMBCognitive Neuroscience: A Guide to Mind and Brain
- ICNIntroduction to Computational Neuroscience
- NEMCMNeural Encoding: Memory and Comprehension of Mammals
- IBIntroduction to Biopsychology
- SNSystems Neuroscience
Grants
- RI: Medium: Collaborative Research: Experimental and Robotics Investigations of Multi-Scale Spatial Memory Consolidation in Complex Environments
Principal Investigator (PI)
2017
$516.1K
Active - NIMH IPA Assignment Agreement
Principal Investigator (PI)
2019
$175.8K
- Memory Consolidation During Sleep in Humans, Rodents and Computational Modelsans
Principal Investigator (PI)
2016
$743.0K
- A Wireless Neural Recording System for the Study of Memory Consolidation in Naturalistic Environments
Principal Investigator (PI)
2015
$131.0K
- CRCNS US-French Research Proposal: Collaborative Research: A Replay-Driven Model of Spatial Sequence Learning in the Hippocampus-PFC Network Using Reservoir Computing
Principal Investigator (PI)
2014
$361.0K
- Memory Consolidation During Sleep in Humans, Rodents and Computational Models
Principal Investigator (PI)
2013
$836.8K
- The Role of the Insular Cortex in the Expression of Empathy and Pro-social Behaviors in Rats.
Key Personnel (KP)
2013
$95.0K
- RI: SMALL: Collaborative Research: Investigations of the Role of Dorsal Versus Ventral Place and Grid Cells During Multi-Scale Spatial Navigation in..
Principal Investigator (PI)
2011
$219.3K
- CRCNS: Long Term Reactivations in Cortex and Hippocampus
Principal Investigator (PI)
2010
$466.7K
- A Novel Paradigm to Investigate Memory Reconsolidation in Adults and Aged Rats
Co-Investigator (COI)
2009
$83.9K
Technologies / Patents
Books
- A Biophysical Model of Cortical Up and Down States: Excitatory-Inhibitory Balance and H-Current
2007
- Who Needs Emotions?: The Brain Meets the Robot
2005
News
- UA Researchers and Students to Educate the Public on Healthy Brain Activities
2010
- More than One Dozen UA Students Earn NSF Fellowships
2010
- Robots: One Day They’ll Walk Your Dog, Do Your Dishes and Tutor Your Kids
2010
- Neuroscience Researchers Seek Interns Ages 55 and Up
2009
Publications (101)
Recent
- Editorial: Advances in Computational Neuroscience
2022
- Biological Cybernetics: 60 years and more to come
2021
- Dorsal CA1 hippocampal place cells form a multi-scale representation of megaspace.
2021
- A Renewed Vision for Biological Cybernetics.
2020
- Transcranial magnetic stimulation reveals diminished homoeostatic metaplasticity in cognitively impaired adults
2020
- Conjunctive reward-place coding properties of dorsal distal CA1 hippocampus cells
2020
- A Computational Model for Latent Learning based on Hippocampal Replay
2020
- Ground truth construction and parameter tuning for the detection of sleep spindle timing in rodents
2019
- Explainable Artificial Intelligence for Neuroscience: Behavioral Neurostimulation
2019
- Welcome from the new Editor(s)-in-Chief
2018
- Dorsoventral and Proximodistal Hippocampal Processing Account for the Influences of Sleep and Context on Memory (Re)consolidation: A Connectionist Model
2017
- Beneficial effects of chronic oxytocin administration and social co-housing in a rodent model of post-traumatic stress disorder
2016
- Hippocampal CA1 Ripples as Inhibitory Transients
2016
- Contextual reminders fail to trigger memory reconsolidation in aged humans and rats
2015
- Reliability and precision are optimal for non-uniform distributions of presynaptic release probability
2015
- Offline reactivation of experience-dependent neuronal firing patterns in the rat ventral tegmental area
2015
- Influence of External Inputs and Asymmetry of Connections on Information-Geometric Measures Involving Up to Ten Neuronal Interactions
2014
- Value Learning and Arousal in the Extinction of Probabilistic Rewards: The Role of Dopamine in a Modified Temporal Difference Model
2014
- A connectionist model of context-based memory reconsolidation in the hippocampus: the role of sleep
2014
- Information-geometric measures estimate neural interactions during oscillatory brain states
2014
- The influence of multiple firing events on the formation and stability of activity patterns in continuous attractor networks.
2013
- Spatial scale and place field stability in a grid-to-place cell model of the dorsoventral axis of the hippocampus
2013
- A Computational Model of Perirhinal Cortex: Gating and Repair of Input to the Hippocampus
2013
- Involvement of the ventral tegmental area in a rodent model of post-traumatic stress disorder
2013
- Hippocampal anatomy supports the use of context in object recognition: A computational model
2013
- Spatial cognition: Robot target localization in open arenas based on rat studies
2013
- Amygdala Deep Brain Stimulation Is Superior to Paroxetine Treatment in a Rat Model of Posttraumatic Stress Disorder
2013
- Generalizing from human facial sexual dimorphism to sex-differentiate macaques: Accuracy and cultural variation
2013
- Phase precession and variable spatial scaling in a periodic attractor map model of medial entorhinal grid cells with realistic after-spike dynamics
2012
- Multiple Spike Time Patterns Occur at Bifurcation Points of Membrane Potential Dynamics
2012
- Coding, stability, and non-spatial inputs in a modular grid-to-place cell model.
2012
- Remaking memories: reconsolidation updates positively motivated spatial memory in rats
2012
- Allothetic and idiothetic sensor fusion in rat-inspired robot localization
2012
- Adaptive recall in hippocampus
2011
- Finding the event structure of neuronal spike trains
2011
- Experience-dependent reactivations of ventral tegmental area neurons in the rat
2011
- A new similarity measure for spike trains: Sensitivity to bursts and periods of inhibition
2011
- Adaptive Recall in Hippocampus.
2011
- Computational models of reinforcement learning: The role of dopamine as a reward signal
2010
- Facial Resemblance to Emotions: Group Differences, Impression Effects, and Race Stereotypes
2010
- Analyzing spike train similarity measures: the effects of bursts and silence
2010
- Synchrony of Thalamocortical Inputs Maximizes Cortical Reliability
2010
- Emotion: Computational modeling
2010
- Erratum: Intrinsic subthreshold oscillations extend the influence of inhibitory synaptic inputs on cortical pyramidal neurons (European Journal of Neuroscience 31 (1019-1026))
2010
- Intrinsic subthreshold oscillations extend the influence of inhibitory synaptic inputs on cortical pyramidal neurons
2010
- Information-Geometric Measures as Robust Estimators of Connection Strengths and External Inputs
2009
- Information-geometric measures as robust estimators of connection strengths and external inputs.
2009
- Visual processing in the central bee brain
2009
- A biophysical model of cortical up and down states: Excitatory-inhibitory balance and H-current
2008
- Intrinsic current generated, omnidirectional phase precession and grid field scaling in toroidal attractor model of medial entorhinal path integration
2008
- Regulation of spike timing in visual cortical circuits
2008
- The processing of color, motion, and stimulus timing are anatomically segregated in the bumblebee brain
2008
- Computational intelligence in electrophysiology: Trends and open problems
2008
- Emergence of reliable spike patterns in models of CA1 cells contacted by unreliable synapses
2007
- Supralinear reliability of cortical spiking from synchronous thalamic inputs.
2007
- Are Effects of Emotion Expression on Trait Impressions Mediated by Babyfaceness? Evidence From Connectionist Modeling
2007
- Models of emotion.
2007
- A Mechanistic View of the Expression and Experience of Emotion in the Arts
2006
- In vitro model of glial scarring around neuroelectrodes chronically implanted in the CNS
2006
- Selective attention through phase relationship of excitatory and inhibitory input synchrony in a model cortical neuron
2006
- Role of network dynamics in shaping spike timing reliability
2005
- Synchronization as a mechanism for attentional gain modulation
2004
- From human emotions to robot emotions
2004
- Discovering spike patterns in neuronal responses
2004
- Emotions: from brain to robot
2004
- Inhibitory synchrony as a mechanism for attentional gain modulation
2004
- Influence of Ionic Conductances on Spike Timing Reliability of Cortical Neurons for Suprathreshold Rhythmic Inputs
2004
- Trait impressions as overgeneralized responses to adaptively significant facial qualities: Evidence from connectionist modeling
2003
- A new correlation-based measure of spike timing reliability
2003
- Reliability and bifurcation in neurons driven by multiple sinusoids
2003
- Synaptic background noise controls the input/output characteristics of single cells in an in vitro model of in vivo activity
2003
- Regulation of Persistent Activity by Background Inhibition in an In Vitro Model of a Cortical Microcircuit
2003
- Attractor reliability reveals deterministic structure in neuronal spike trains
2002
- Information transfer in entrained cortical neurons.
2002
- A Roles of Dopamine
2002
- Spike-time reliability of periodically driven integrate-and-fire neurons
2002
- Fluctuating synaptic conductances recreate in vivo-like activity in neocortical neurons
2001
- Models of frequency preferences of prefrontal cortical neurons
2001
- Frequency dependence of spike timing reliability in cortical pyramidal cells and interneurons
2001
- The brain decade in debate: III. Neurobiology of emotion
2001
- Optimal information transfer in synchronized neocortical neurons
2001
- Computational model of carbachol-induced delta, theta, and gamma oscillations in the hippocampus
2001
- Dopamine modulation of prefrontal delay activity-reverberatory activity and sharpness of tuning curves
2001
- Computational model of carbachol-induced δ, θ and γ-like oscillations in hippocampus
2001
- Cholinergic induction of oscillations in the hippocampal slice in the slow (0.5-2 Hz), theta (5-12 Hz), and gamma (35-70 Hz) bands
2000
- Neuromodulatory basis of emotion
1999
- Computational Models of Neuromodulation
1998
- A role for NMDA-receptor channels in working memory
1998
- Emotion and computational neuroscience
1998
- Face Recognition by Elastic Bunch Graph Matching
1997
- Gender discrimination and prediction on the basis of facial metric information
1997