Replication Data for Behavioral, Physiological and Neuroimaging Responses Induced by Mental Imagery of Threatening Scenarios
<|begin_of_text|><|start_header_id|>system<|end_header_id|> You are a research archivist expert in dataset metadata. Answer the question truthfully.  <|eot_id|><|start_header_id|>user<|end_header_id|> Here is the Description of a dataset. Description:'The experiment aimed at testing the hypothesis that brain activity elicited by imagined scenarios of distal and proximal threats resemble that found in response to actual threats. First, we measured a set of subjective and physiological responses to imagined scenarios of potential and imminent threats, compared with neutral and pleasant scenarios. These same scenarios were used as a paradigm in a fMRI experiment. Behavioral results show that the scenarios form a gradient of hedonic valence and arousal dimensions. The pleasant scenario was associated with decreased skin conductance. The fMRI results revealed a differential activation of the ventromedial prefrontal cortex by potential threat and of the periaqueductal gray matter by imminent threat. These results agree with previously reported evidence using actual threat situations, indic' . Please return only a json list of at most 3 Keywords corresponding to the Description:.<|eot_id|><|start_header_id|>assistant<|end_header_id|> {"Answer" : ["mental imagery","threat situation","defensive behavior","fMRI"]} <|eot_id|>
 Here is the Description of a dataset. Description:'The experiment aimed at testing the hypothesis that brain activity elicited by imagined scenarios of distal and proximal threats resemble that found in response to actual threats. First, we measured a set of subjective and physiological responses to imagined scenarios of potential and imminent threats, compared with neutral and pleasant scenarios. These same scenarios were used as a paradigm in a fMRI experiment. Behavioral results show that the scenarios form a gradient of hedonic valence and arousal dimensions. The pleasant scenario was associated with decreased skin conductance. The fMRI results revealed a differential activation of the ventromedial prefrontal cortex by potential threat and of the periaqueductal gray matter by imminent threat. These results agree with previously reported evidence using actual threat situations, indic' . Please return only a json list of at most 3 Keywords corresponding to the Description:.
The experiment aimed at testing the hypothesis that brain activity elicited by imagined scenarios of distal and proximal threats resemble that found in response to actual threats. First, we measured a set of subjective and physiological responses to imagined scenarios of potential and imminent threats, compared with neutral and pleasant scenarios. These same scenarios were used as a paradigm in a fMRI experiment. Behavioral results show that the scenarios form a gradient of hedonic valence and arousal dimensions. The pleasant scenario was associated with decreased skin conductance. The fMRI results revealed a differential activation of the ventromedial prefrontal cortex by potential threat and of the periaqueductal gray matter by imminent threat. These results agree with previously reported evidence using actual threat situations, indic
mental imagery; threat situation; defensive behavior; fMRI