Our goal is to understand how the brain controls motivated behaviors, and how maladaptive
changes in brain circuits relate to neuropsychiatric diseases such as addiction and depression


Circuit Mapping

OptoGenetics & Imaging



Recent News

We welcome our new postdoctoral scholar Masaya Harada!

We welcome our new undergraduate researcher Yilin Shi!

Johanna has arrived! Johanna Mankel is a new visiting scholar and MD/PhD student from the Roeper lab! Welcome Johanna!

We welcome our new undergraduate researcher Hank Wang!

We welcome our new undergraduate researcher Mila Zou!

Upcoming Events

Stephan’s tenure talk at UC Berkeley! Please contact Stephan for a zoom link if you like to attend the seminar!

Christine (Oct 19, PM, #X11) and Han (Oct 23, PM, #U38) will be presenting posters at SfN in Chicago! Also, do not miss Christine’s Art of Neuroscience Exhibition!

GRC Catecholamines Read More >

Stephan will be presenting at the ACNP meeting in Palm Springs (Dec. 3-7, 2017). Don’t miss his poster “Nucleus Accumbens Subnuclei Regulate Motivated Behavior via Direct Inhibition and Disinhibition of VTA Dopamine Subpopulations” on Dec. 5 5:30-7:30pm (Board# T267).

Hongbin and Han will be presenting at SfN in Washington on Monday Nov. 13, 2017 (PM session). Board# WW34 and WW40! Also, do not miss Christine’s 2017 Art of Neuroscience Exhibition!

Stephan will be presenting in the “Synaptic Integration Seminar Series” at NIH in Bethesda on Tuesday Oct. 21, 2017 (11AM-12PM). The title of his talk is “Neural Circuit Mechanisms Underlying Motivated Behaviors”.