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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Psychopharmacology (Berl). 2014 Nov 26;232(10):1755–1765. doi: 10.1007/s00213-014-3816-7

Table 1.

Example of response contingencies across nose poke holes

Hole (H) 1 H2 H3 H4
Standard Task
# of Rewards 1 2 3 4
Punishment
Duration (sec)		 5 10 30 40
Probability of
Punishment		 0.1 0.2 0.5 0.6
Punishment Task
# of Rewards 2 2 2 2
Punishment
Duration (sec)		 5 10 30 40
Probability of
Punishment		 0.1 0.2 0.5 0.6
Reward Task
# of Rewards 1 2 3 4
Punishment
Duration (sec)		 10 10 10 10
Probability of
Punishment		 0.2 0.2 0.2 0.2

Note: For each task there were 4 different spatial arrangements of outcomes; one such arrangement is depicted here. An individual rat was assigned to a single arrangement for the duration of the experiment. On rewarded trials, the number of pellets indicated in the table were delivered; on punished trials no pellets were delivered.