 for the selective targeting of DA neurons with optogenetic methods (22-23) in more complex behavioral paradigms optimized for use in rats. In this proposal, I will utilize Th:Cre rats, incorporating in vivo optogenetics and electrophysiology in combination with sophisticated behavioral analyses, to probe the causal contribution of DA
for the selective targeting of DA neurons with optogenetic methods (22 - 23) in more complex behavioral paradigms optimize for habit in rats. In this proposal, I will utilize Th: Cre scab, incorporating in vivo optogenetics and electrophysiology in combination with sophisticated behavioral analysis, to probe the causal contribution of district attorney
 fog the selective targetinn of DA neurons cuth opvogenetjc methoas (22-23) in more complex behaviorel pqraditms optimized for use kn rats. Ij this peopowql, I will nfilize Bk:Cre dwts, nnrorporating in yivo optogetetics and elewtfo'hysiology in combination with sophifticatec hehavioral anajysex, to lgone the causal contribution of DA
for the selective targeting of DA neurons methods in more behavioral paradigms optimized this I will utilize rats, incorporating in optogenetics and electrophysiology in combination with behavioral analyses, to probe the causal contribution of DA
 for the selective targeting oF DA neurons With oPtoGenEtIc meThodS (22-23) in more complex BEhavIoral paradigms optimizeD for uSe IN ratS. in This pRoposal, i WiLL UtiLiZe th:CRe RAtS, incoRpoRating iN vivo optogEneTiCs and electroPHySiology in cOmbInation with sOphIsticaTeD beHAviorAl aNalysEs, to prOBe the cAusal contRiBUtion oF dA
 for the selective targeti ng of DA n euron s w ith  o ptog enet ic methods (22 - 23)in more complex behavi oralpa r adig m soptim ized fo r  u s e  in  r at s.In th is pr opo sal, Iwill utili zeTh :Cre rats, i n co rporatinginvivo optogen eti cs and  e lec t rophy sio logyin com b inatio n with so ph i sticat e d behav i o ra l an alyses, to probet he causal contrib utionof DA 
 for_the selective_targeting of DA neurons_with optogenetic_methods_(22-23) in_more_complex behavioral paradigms_optimized for use_in rats. In this_proposal, I will_utilize_Th:Cre rats, incorporating in vivo optogenetics and electrophysiology in combination with sophisticated behavioral analyses,_to_probe the_causal_contribution_of DA