Table 1. Swimming protocol and group description.

Group I	Served as control (non-swimming) group of rats. Learning index and memory score was tested employing Hebb-Williams maze
Group II	Rats were subjected to swimming for 15 days (Sub-chronic swimming exposure). TRC was tested employing Hebb-Williams maze.
Group III	Rats were subjected to swimming for 30 days (Chronic swimming exposure). TRC was tested employing Hebb-Williams maze.
Group IV	Served as control (non-swimming) group for mice and transfer latency was tested employing elevated plus maze.
Group V	Mice were subjected to swimming for 15 days (Sub-chronic swimming exposure) and transfer latency was tested employing elevated plus maze.
Group VI	Mice were subjected to swimming for 30 days (Chronic swimming exposure) and transfer latency was tested employing elevated plus maze.
Group VII	Served as control (non-swimming) group of rats and transfer latency was tested employing elevated plus-maze.
Group VIII	Rats were subjected to swimming for 15 days (sub-chronic swimming exposure) and transfer latency was tested employing elevated plus maze.
Group IX	Rats were subjected to swimming for 30 days (chronic swimming exposure) and transfer latency was tested employing elevated plus maze.
Group X	Served as control (non-swimming) group for mice and step-down latency was tested employing passive-avoidance apparatus.
Group XI	Mice were subjected to swimming for 15 days (Sub-chronic swimming exposure) and step-down latency was tested employing passive-avoidance apparatus.
Group XII	Mice were subjected to swimming for 30 days (Chronic swimming exposure) and step-down latency was tested employing passive-avoidance apparatus.