The Experts below are selected from a list of 13419 Experts worldwide ranked by ideXlab platform
Steffany J Fredman - One of the best experts on this subject based on the ideXlab platform.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients' reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients’ reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal. In exposure-based treatments for posttraumatic stress disorder (PTSD), it is standard practice to have a client rate the degree of distress or discomfort that he or she experiences while confronting trauma memories and other trauma-related stimuli (e.g., Foa, Hembree, & Rothbaum, 2007; Shapiro, 1995). This practice reflects an assumption that higher self-report ratings accurately indicate higher levels of Physiological activity (e.g., sweaty palms, heart palpitations; see Foa & Rothbaum, 1998). The extent to which this assumption, however, is correct remains unclear because very few studies have tested this hypothesis empirically.
Brian P Marx - One of the best experts on this subject based on the ideXlab platform.
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ptsd symptoms are differentially associated with general distress and Physiological Arousal implications for the conceptualization and measurement of ptsd
Journal of Anxiety Disorders, 2019Co-Authors: Grant N Marshall, Lisa H Jaycox, Charles C Engel, Andrea S Richardson, Sunny J Dutra, Terence M Keane, Raymond C Rosen, Brian P MarxAbstract:Abstract Background The primary purpose of this study was to examine the place of posttraumatic stress disorder (PTSD) vis-a-vis the external dimensions of general distress and Physiological Arousal. Methods Using data collected from veterans of the wars in Iraq and Afghanistan (N = 1350), latent variable covariance structure modeling was employed to compare correlations of PTSD symptom clusters and individual PTSD symptoms with general distress and Physiological Arousal. Results Each PTSD symptom cluster, and 17 of 20 individual PTSD symptoms were more strongly associated with general distress than with Physiological Arousal. However, moderate to strong associations were also found between Physiological Arousal and both PTSD clusters and symptoms. Limitations Findings are based on self-reported data elicited from a single sample of veterans with substantial PTSD symptoms. Replication, particularly by clinician interview, is necessary. Generalizability to other traumatized populations is unknown. Conclusions Results offer support, with caveats, for viewing PTSD as a distress disorder. Findings are not consistent with the position that PTSD is a hybrid disorder with some features reflecting hyperArousal and others indicative of general distress. Results have implications for the conceptualization and measurement of PTSD.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients' reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients’ reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal. In exposure-based treatments for posttraumatic stress disorder (PTSD), it is standard practice to have a client rate the degree of distress or discomfort that he or she experiences while confronting trauma memories and other trauma-related stimuli (e.g., Foa, Hembree, & Rothbaum, 2007; Shapiro, 1995). This practice reflects an assumption that higher self-report ratings accurately indicate higher levels of Physiological activity (e.g., sweaty palms, heart palpitations; see Foa & Rothbaum, 1998). The extent to which this assumption, however, is correct remains unclear because very few studies have tested this hypothesis empirically.
Nikki S Rickard - One of the best experts on this subject based on the ideXlab platform.
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intense emotional responses to music a test of the Physiological Arousal hypothesis
Psychology of Music, 2004Co-Authors: Nikki S RickardAbstract:A consistent theme across general theories of emotion is that intense emotions are accompanied by increased levels of Physiological Arousal. The aim in the current study was to determine whether mu...
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intense emotional responses to music a test of the Physiological Arousal hypothesis
Psychology of Music, 2004Co-Authors: Nikki S RickardAbstract:A consistent theme across general theories of emotion is that intense emotions are accompanied by increased levels of Physiological Arousal. The aim in the current study was to determine whether music which elicited intense emotions produced higher levels of Physiological Arousal than less emotionally powerful music. Twenty-one participants (9 females, 12 males) were exposed to relaxing music, arousing (but not emotionally powerful) music, an emotionally powerful film scene, and a music piece selected by participants as ‘emotionally powerful’. A range of Physiological and subjective measures of Arousal was recorded before and during the treatments. The emotionally powerful music treatment elicited significantly greater increases in skin conductance and number of chills than the other treatments. The findings are discussed in terms of the sensitivity of skin conductance and chills as measures of emotional intensity, and it is suggested the study offers some support for the emotivist thesis of musical emotions.
Pjm Pierre Cluitmans - One of the best experts on this subject based on the ideXlab platform.
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a higher illuminance induces alertness even during office hours findings on subjective measures task performance and heart rate measures
Physiology & Behavior, 2012Co-Authors: Kchj Karin Smolders, De Yaw Yvonne Kort, Pjm Pierre CluitmansAbstract:article i nfo Nocturnal white light exposure has shown marked results on subjective and objective indicators of alertness, vitality and mood, yet effects of white light during daytime and under usual office work conditions have not been investigated extensively. The current study employed a mixed-group design (N=32), testing effects of two illuminance levels (200 lx or 1000 lx at eye level, 4000 K) during one hour of morning versus afternoon exposure. In four repeated blocks, subjective reports, objective performance and Physiological Arousal were measured. Results showed effects of illuminance on subjective alertness and vitality, sustained attention in tasks, and heart rate and heart rate variability. Participants felt less sleepy and more energetic in the high versus the low lighting condition, had shorter reaction times on the psychomotor vigilance task and increased Physiological Arousal. Effects of illuminance on the subjective measures, as well as those on heart rate were not dependent on time of day or duration of exposure. Performance effects were most pronounced in the morning sessions and towards the end of the one-hour exposure period. The effect on heart rate variability was also most pronounced at the end of the one-hour exposure. The results demonstrate that even under normal, i.e., neither sleep nor light deprived conditions, more intense light can improve feelings of alertness and vitality, as well as objective performance and Physiological Arousal.
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a higher illuminance induces alertness even during office hours findings on subjective measures task performance and heart rate measures
Physiology & Behavior, 2012Co-Authors: Kchj Karin Smolders, De Yaw Yvonne Kort, Pjm Pierre CluitmansAbstract:Nocturnal white light exposure has shown marked results on subjective and objective indicators of alertness, vitality and mood, yet effects of white light during daytime and under usual office work conditions have not been investigated extensively. The current study employed a mixed-group design (N=32), testing effects of two illuminance levels (200lx or 1000lx at eye level, 4000K) during one hour of morning versus afternoon exposure. In four repeated blocks, subjective reports, objective performance and Physiological Arousal were measured. Results showed effects of illuminance on subjective alertness and vitality, sustained attention in tasks, and heart rate and heart rate variability. Participants felt less sleepy and more energetic in the high versus the low lighting condition, had shorter reaction times on the psychomotor vigilance task and increased Physiological Arousal. Effects of illuminance on the subjective measures, as well as those on heart rate were not dependent on time of day or duration of exposure. Performance effects were most pronounced in the morning sessions and towards the end of the one-hour exposure period. The effect on heart rate variability was also most pronounced at the end of the one-hour exposure. The results demonstrate that even under normal, i.e., neither sleep nor light deprived conditions, more intense light can improve feelings of alertness and vitality, as well as objective performance and Physiological Arousal.
Denise M Sloan - One of the best experts on this subject based on the ideXlab platform.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients' reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal.
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concordance between Physiological Arousal and subjective distress among vietnam combat veterans undergoing challenge testing for ptsd
Journal of Traumatic Stress, 2012Co-Authors: Brian P Marx, Michelle J Bovin, Michael K Suvak, Candice M Monson, Denise M Sloan, Steffany J FredmanAbstract:This study examined concordance between Physiological Arousal and subjective distress during a laboratory challenge task. Data were collected during the multisite VA Cooperative Study 334 in the early 1990s examining psychoPhysiological Arousal among combat-exposed Vietnam veterans with (n = 775) and without (n = 369) posttraumatic stress disorder (PTSD). Study participants were presented with 6 standardized neutral scenes and 6 standardized combat scenes. Participants provided a subjective rating of distress after each slide. During the presentation, levels of heart rate (HR) and skin conductance (SC) were recorded. Using linear mixed effects modeling, both HR level and SC level exhibited significant positive associations with subjective distress ratings (pr = .33, p < .001 and pr = .19, p < .001, respectively). Individuals with PTSD demonstrated greater concordance between their distress ratings and SC level during exposure to combat slides than participants without PTSD (pr = .28, p < .001 vs. pr = .18, p < .001). Although a significant association was found between subjective distress and HR reactivity and SC reactivity, these findings were not moderated by PTSD status. The results of these analyses suggest that patients’ reports of distress during exposure-based treatments might serve as approximate measures of actual Physiological Arousal. In exposure-based treatments for posttraumatic stress disorder (PTSD), it is standard practice to have a client rate the degree of distress or discomfort that he or she experiences while confronting trauma memories and other trauma-related stimuli (e.g., Foa, Hembree, & Rothbaum, 2007; Shapiro, 1995). This practice reflects an assumption that higher self-report ratings accurately indicate higher levels of Physiological activity (e.g., sweaty palms, heart palpitations; see Foa & Rothbaum, 1998). The extent to which this assumption, however, is correct remains unclear because very few studies have tested this hypothesis empirically.
