… dopamine? The team showed that indeed they express “D1” receptors for the neuromodulator. Commensurate with the … degree of dopamine connectivity, Ppp1r1b cells had more receptors than Rspo2 neurons. Dopamine does a lot of things, … was to manipulate the amygdala neurons’ dopamine receptors. In Ppp1r1b neurons, overexpressing dopamine …