Table 2.

Summarized findings of neuroimaging studies examining the link between cannabis use and reward sensitivity.

Study	Task	Direction of Finding for Cannabis Users
Van Hell et al. (2010)	Monetary Incentive Delay (MID)	Decreased activation during reward anticipation
Nestor, Hester, and Garavan (2010)	MID	Greater activation during reward anticipation
Cousijn et al. (2013)	Cue-reactivity	Increased activation in response to drug cues
Filbey, Dunlop, & Myers (2013)	MID	Greater activation during reward anticipation
Jager, Block, Luijten, & Ramsey (2013)	MID	Greater activation during reward anticipation
Wetherill et al. (2014)	Cue-reactivity	Increased activation in response to appetitive cues
Karoly et al. (2015)	MID	No effect of cannabis
Enzi et al. (2015)	MID	No difference during reward anticipation; activation pattern did not differentiate between reward and punishment trials
Filbey et al. (2016)	Cue-reactivity	Increased activation in response to drug cues; no differences in response to nondrug rewards
Martz et al. (2016)	MID	Decreased activation during reward anticipation