Laboratory of Jordan Hamm at Georgia State University



The Hamm lab is dedicated to the value, rights, and dignity of all persons. Overt and covert oppression of black people, other people of color, and LGBTQ people is a historical fact and shameful reality which cannot be tolerated. Systemic forces are in place which maintain this status quo, and dismantling this structure will require work from everyone.

 Black lives matter.



Spring 2021: New paper from Dr. Hamm on the cortical circuit mechanisms of deviance detection in V1. A subset of pyramidal neurons, located primarily in supragranular layers of visual cortex, show augmented responses to unexpected stimuli in an oddball paradigm. This suggests that sensory prediction error is signaled by a minority of neurons, which are also selectively modulated by top-down inputs from prefrontal cortex.  See here!

Winter 2020: New review paper from the Hamm lab in Schizophrenia Bulletin drawing links between common abnormalities in SST+ interneurons, theta oscillations, and feed-back processing in schizophrenia. See here!


Winter 2020: Hamm lab published a new paper in J Neuroscience Methods provides a methodological overview and set of considerations for the analysis of multineuronal ensembles in optical imaging data.

Fall 2020: Hamm lab postdoc Dr. Jordan Ross has been awarded a prestigious BRAIN initiative NRSA F32 fellowship for the project “Large-scale monitoring of circuits for adaptation and novelty detection in primary visual cortex”


The neuroscience laboratory of Jordan Hamm is located at GSU’s Neuroscience Institute and the Center for Neuroinflammation and Cardiometabolic Diseases in the Petit Science Center in downtown Atlanta.

Projects focus on understanding the cellular- and circuit-level mechanisms of sensory context processing and related schizophrenia biomarkers. We work mainly in awake mouse models, both wildtype and transgenic. Primary techniques are two-photon calcium imaging, multielectrode recordings, opto/chemicogenetics, and exploratory network analyses.

We are looking for graduate students, postdocs, and research technicians to join the lab! Please contact me directly for more information at (or use the contact section).

Petit Science Center in downtown Atlanta:



Neural circuits and schizophrenia