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Abstract
The present investigation examined marijuana use, abuse, and dependence in relation to anxious and fearful responding to panic-relevant bodily sensations elicited by a biological challenge procedure among a sample of young adult marijuana users (n = 64; 46.9% women; M age = 20.97, SD = 6.01). Results indicated that those who were dependent on marijuana had greater self-reported panic attack symptoms post-challenge than those who abused marijuana. No differences were found between those who did not meet criteria for either abuse or dependence (users), and those who abused or were dependent on marijuana. No group differences were found for heart rate reactivity. Results are discussed in relation to better understanding the role of marijuana use and its disorders in terms of panic responsivity.