In the striatum, our study indicated that Allo and verapamil didn’t inhibit veratridine-evoked increase in the PKA activity and the frequency of sEPSCs.
One area involved in habitual behavior is the striatum, which actually releases chemicals that inhibit the complex thinking part of your brain for that task.
Since usually there's this balance of signaling between dopamine and acetylcholine, a loss of dopamine reaching the striatum increases the relative amount of acetylcholine signalling there.