Publications

Ali Ghazizadeh, Simon Hong, Okihide Hikosaka, Prefrontal cortex represent value memory of objects for months, Current Biology, 2018, In Press

Ali Ghazizadeh, Whitney Griggs, David A. Leopold, Okihide Hikosaka, A long term high capacity memory system in temporal and prefrontal cortices for valuable objects, PNAS, 2018

Whitney Griggs, Hyoung F Kim, Ali Ghazizadeh, M Gabriela Costello, Kathryn M Wall, Okihide Hikosaka, Flexible and stable value coding areas in caudate head and tail receive anatomically distinct cortical and subcortical inputs, Frontiers in Neuroanatomy, 2017

Hikosaka, Okihide, Ali Ghazizadeh, Whitney Griggs, and Hidetoshi Amita. Parallel basal ganglia circuits for decision making. Journal of Neural Transmission (2017): 1-15.

Ali Ghazizadeh, Whitney Griggs, Okihide Hikosaka, Object finding skill created by repeated reward experience, Journal of Vision, 16(10):17, 1–13, 2016

Ali Ghazizadeh, Whitney Griggs, Okihide Hikosaka, Ecological origins of object salience: reward, uncertainty, aversiveness and novelty, Frontiers in Neuroscience, 10, 378, 2016

Hyoung F Kim, Ali Ghazizadeh, Okihide Hikosaka, Dopamine neurons encoding long-term memory of object value for visual oculomotor habit, Cell, 163(5):1165-75, 2015

Hyoung F Kim, Ali Ghazizadeh, Okihide Hikosaka, Separate Groups of Dopamine Neurons Innervate Caudate Head and Tail Encoding Flexible and Stable Value Memories. Frontiers in Neuroanatomy. 8:120, 2014

Ali Ghazizadeh, FredericAmbroggi, Howard L. Fields, Prefrontal Cortex Mediates Extinction of Responding by a Dual Neural Mechanism inAccumbens Shell, Journal of Neuroscience 32: 726-723, 2012

Frederic Ambroggi*, Ali Ghazizadeh*, Saleem M. Nicola, Howard L. Fields. Roles of Nucleus Accumbens Core and Shell in Incentive-Cue Responding and Behavioral Inhibition, Journal of Neuroscience 31: 6820-6830, 2011 [*First Coauthor]

Ali Ghazizadeh, Howard L. Fields, Frederic Ambroggi, Isolating Event related Neuronal Responses by Deconvolution, J Neurophysiol 104: 1790-1802, 2010

Tanya Roosta, Mobaraq Mishra, Ali Ghazizadeh, Robust Estimation and Detection in Adhoc and Sensor Networks, Proc. Of IEEE Int’l Conference on Mobile Adhoc and Sensor Systems, 2006

John W. Krakauer, Pietro Mazzoni, Ali Ghazizadeh, Roshni Ravindran and Reza Shadmehr, Generalization of Motor Learning Depends on the History of Prior Action, PLoS Biology 4:e316, 2006

Maurice A.Smith, Ali Ghazizadeh, Reza Shadmehr , Interacting Adaptive Processes with Different Timescales Underlie Short- TermMotor Learning, PLoS Biology 4:e179, 2006


CONFERENCE Presentations & Abstracts

Ali Ghazizadeh, Whitney Griggs, David A Leopold, Okihide Hikosaka, Long-term high-capacity memories of object values in the primate brain - fMRI study on macaque monkeys, Society for Neuroscience 2016

Hidetoshi Amita, Hyoung. F Kim, Whitney Griggs, Ali Ghazizadeh, Okihide Hikosaka, Direct and indirect pathways in basal ganglia signaling opposite reward values: anatomical study, Society for Neuroscience 2016

Hyoung. F Kim, Whitney Griggs, Ali Ghazizadeh, Okihide Hikosaka, Different inputs to caudate head and tail for different types of reward values, Society for Neuroscience 2016

Ali Ghazizadeh, Okihide Hikosaka, Ecological, rather than physical, features determine object salience, Computational and systems neuroscience (COSYNE) 2016

Ali Ghazizadeh,Whitney Griggs, Okihide Hikosaka, Brain areas involved in detecting valuable objects:Afunctional MRI study in macaques, Society for Neuroscience 2015

Hyoung Kim, Ali Ghazizadeh, Okihide Hikosaka,Anovel group of dopamine neurons encoding stable object value memories,

Society for Neuroscience 2015

Whitney Griggs, Ali Ghazizadeh, Okihide Hikosaka, Exploring the origins of learned salience: valuable, risky, novel, and aversive, Society for Neuroscience 2015

Ali Ghazizadeh, Okihide Hikosaka, Substantia Nigra Reticulata Guides Gaze to Reward-Associated and Punishment Associated Objects, Society for Neuroscience 2014

Ali Ghazizadeh, Okihide Hikosaka, Objects Long-term Value and Novelty Create Salience Maps that Bias Eye Movements,

Vision Sciences Society 2014

Ali Ghazizadeh, Simon Hong, Okihide Hikosaka, Ventrolateral Prefrontal Cortical Neurons Encode Stable Value and Novelty of Visual Objects, Society for Neuroscience 2013

Ali Ghazizadeh, FredericAmbroggi, Howard L. Fields, Different Ventromedial Prefrontal Cortex to NucleusAccumbens Shell Circuits Mediate Learned Behavioral Inhibition, Society for Neuroscience 2011

Ali Ghazizadeh, Frederic Ambroggi, Howard L. Fields, Ventromedial Prefrontal Cortex Shapes Responses of Nucleus Accumbens Shell Neurons to Suppress UnreinforcedActions, Society for Neuroscience 2010

Ali Ghazizadeh, Frederic Ambroggi, Gregory O. Hjelmstad, Howard L. Fields, Incentive Cue Encoding in the Rodent Nucleus Accumbens Core and Shell, Society for Neuroscience 2009

Frederic Ambroggi, Ali Ghazizadeh, Howard Fields, Separate Corticostriatal Circuits that Promote or Inhibit Incentive Cue Responding, Society for Neuroscience 2009

Ali Ghazizadeh, Philip Sabes, Integrating Sensorimotor Integration andAdaptation, Society for Neuroscience 2007

Maurice A. Smith, Ali Ghazizadeh, Reza Shadmehr , AMulti-Rate Model of Memory Explains Savings and Interference in Both Saccade and ReachingAdaptation, Neural Control of Movement 15th annual meeting, Florida, 2005