Scuba diving (see also Diving)

Anxiety and panic in recreational scuba divers - Morgan, W.P. (1995). Sports Med, 20(6), 398-421 (Abstract from PubMed).

Development of anxiety symptoms during a deep diving experiment  - Abraini, J.H., Ansseau, M., Martinez, E., Burnet, H., Wauthy, J. and Lemaire, C. (1994-1995). Anxiety, 1(5), 237-41 (Abstract from PubMed).

Psychology of diving

The physiology & psychology of freediving - By Cliff Etzel.

The psychological trauma of diving-related incidents - By Divers Alert Network.

The psychology of cave diving

The psychology of diving - By Michael Lim.

The psychology of scuba diving - Various articles about The Psychology of Scuba Diving.