Research Topics
| Margaret BradleySummaryAffiliation: University of Florida Country: USA Publications
Research Grants
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Detail Information
Publications
When good things go bad: the reflex physiology of defenseMargaret M Bradley
University of Florida, USA
Psychol Sci 16:468-73. 2005....
The pupil as a measure of emotional arousal and autonomic activationMargaret M Bradley
Center for the Study of Emotion and Attention, Box 112766, University of Florida, Gainesville, FL 32611, USA
Psychophysiology 45:602-7. 2008..Taken together, the data provide strong support for the hypothesis that the pupil's response during affective picture viewing reflects emotional arousal associated with increased sympathetic activity...- Natural selective attention: orienting and emotionMargaret M Bradley
Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida 32611, USA
Psychophysiology 46:1-11. 2009..Taken together, it is suggested that orienting is mediated by activation of fundamental motivational systems that have evolved to support survival... 
Fear of pain and defensive activationMargaret M Bradley
Box 112766, NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL 32611, USA
Pain 137:156-63. 2008....- Scan patterns when viewing natural scenes: emotion, complexity, and repetitionMargaret M Bradley
Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL 32611, USA
Psychophysiology 48:1544-53. 2011.... - Affective picture perception: emotion, context, and the late positive potentialM Carmen Pastor
NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL, USA
Brain Res 1189:145-51. 2008..Taken together, the data indicate that emotional pictures prompt increased attention and orienting that is unaffected by its context of presentation, whereas neutral pictures are more vulnerable to context manipulations... - Cross-modal attention capture by affective stimuli: evidence from event-related potentialsAndreas Keil
University of Florida, Gainesville, Florida, USA
Cogn Affect Behav Neurosci 7:18-24. 2007..The data support the notion that emotionally arousing stimuli transmodally attract resources, leading to optimized processing of the affective stimuli at the cost of the processing of concurrent stimuli... - Directed and motivated attention during processing of natural scenesVera Ferrari
University of Florida, Gainesville, FL 32610 USA
J Cogn Neurosci 20:1753-61. 2008.... - Activation of the visual cortex in motivated attentionMargaret M Bradley
National Institute of Mental Health, Center for the Study of Emotion and Attention, University of Florida, Gainesville 32610, USA
Behav Neurosci 117:369-80. 2003.... - Brain potentials in perception: picture complexity and emotional arousalMargaret M Bradley
Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL 32610, USA
Psychophysiology 44:364-73. 2007.... - A spatiotemporal filtering methodology for single-trial ERP component estimationRuijiang Li
Computational NeuroEngineering Laboratory, Electrical and Computer Engineering Department, University of Florida, Gainesville, FL 32611, USA
IEEE Trans Biomed Eng 56:83-92. 2009..The spatial filter may be interpreted as a noise canceller in the spatial domain. Study with both simulated data and real cognitive ERP data shows the effectiveness of the proposed method... - Aversive imagery in posttraumatic stress disorder: trauma recurrence, comorbidity, and physiological reactivityLisa M McTeague
Center for the Study of Emotion and Attention, University of Florida, Gainesville, 32611, USA
Biol Psychiatry 67:346-56. 2010.... - The impact of emotion on respiratory-related evoked potentialsAndreas von Leupoldt
Department of Physiological Sciences, University of Florida, Gainesville, Florida, USA
Psychophysiology 47:579-86. 2010..The results suggest that emotion impacts the perception of respiratory sensations by reducing the attentional resources available for processing afferent respiratory sensory signals... - Memory and event-related potentials for rapidly presented emotional picturesFrancesco Versace
University of Florida, Gainesville, FL, USA
Exp Brain Res 205:223-33. 2010..The data are consistent with the hypothesis that features of affective pictures pop out during rapid serial visual presentation, prompting better memory performance... - Detecting novelty and significanceVera Ferrari
University of Florida, USA
J Cogn Neurosci 22:404-11. 2010..The data support an interpretation that the N2 reflects perceptual fluency and is attenuated when a current stimulus matches an active memory representation and that the amplitude of the P3 reflects stimulus meaning and significance... - Gender differences in reported dental fear and fear of dental painMarc W Heft
Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, University of Florida, Gainesville, FL 32610 0416, USA
Community Dent Oral Epidemiol 35:421-8. 2007.... - Electrocortical and electrodermal responses covary as a function of emotional arousal: a single-trial analysisAndreas Keil
NIMH Center for the Study of Emotion and Attention, University of Florida, PO Box 112766, Gainesville, FL 32611, USA
Psychophysiology 45:516-23. 2008..These results suggest that individual trials of steady-state potentials may yield reliable indices of electrocortical activity in visual cortex and that amplitude modulation of these indices varies with emotional engagement... - Both predator and prey: emotional arousal in threat and rewardAndreas Löw
Center for the Study of Emotion and Attention, P O Box 112766, Gainesville, FL 32611, USA
Psychol Sci 19:865-73. 2008.... - Fearful imagery in social phobia: generalization, comorbidity, and physiological reactivityLisa M McTeague
Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida 32611, USA
Biol Psychiatry 65:374-82. 2009..Social phobia has been characterized as a disorder of exaggerated fear of social threat and heightened sensitivity to imagery of social failure... - Aversive picture processing: effects of a concurrent task on sustained defensive system engagementBethany C Wangelin
NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida 32608, USA
Psychophysiology 48:112-6. 2011.... - Threat of suffocation and defensive reflex activationPeter J Lang
Department of Clinical and Health Psychology, University of Florida, Gainesville, FL 32611, USA
Psychophysiology 48:393-6. 2011..These data indicate that anticipating respiratory resistance activates defensive responding, which may mediate symptomatology in patients with panic and other anxiety disorders... - Defensive engagement and perceptual enhancementAndreas Keil
NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL 32608, USA
Neuropsychologia 48:3580-4. 2010..Acute defense facilitates visual perception of external cues and preserves accurate discrimination between threatening and safe cues... - The neural basis of narrative imagery: emotion and actionDean Sabatinelli
NIMH Center for the Study of Emotion and Attention, University of Florida, PO Box 100165 HSC, Gainesville, FL 32608, USA
Prog Brain Res 156:93-103. 2006..These data are consistent with a bioinformational model of emotion that considers response mobilization as the measurable output of narrative imagery... - Pleasure rather than salience activates human nucleus accumbens and medial prefrontal cortexDean Sabatinelli
National Institute of Mental Health Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida, USA
J Neurophysiol 98:1374-9. 2007..These data suggest that in visual perception, the human NAc and mPFC are specifically reactive to pleasant, rewarding stimuli and are not engaged by unpleasant stimuli, despite high stimulus salience... - Affective picture perception: gender differences in visual cortex?Dean Sabatinelli
NIMH Center for the Study of Emotion and Attention, P O Box 100165 HSC, University of Florida, Gainesville, FL 32610, USA
Neuroreport 15:1109-12. 2004..However, men did show greater extrastriate activity than women specifically during erotic picture perception, possibly reflecting a gender-specific visual mechanism for sexual selection... - Parallel amygdala and inferotemporal activation reflect emotional intensity and fear relevanceDean Sabatinelli
NIMH Center for the Study of Emotion and Attention, University of Florida, PO Box 100165 HSC, Gainesville, FL 32610, USA
Neuroimage 24:1265-70. 2005.... - State anxiety and affective physiology: effects of sustained exposure to affective picturesJ Carson Smith
Center for the Study of Emotion and Attention, PO Box 100165 HSC, University of Florida, Gainesville, FL 32610 0165, USA
Biol Psychol 69:247-60. 2005..These findings suggest sustained exposure to unpleasant pictures may induce a short-term mood state, and may be a useful paradigm to study individuals who vary in symptoms of anxiety... - Rapid picture presentation and affective engagementJ Carson Smith
Center for the Study of Emotion and Attention, University of Florida, FL, USA
Emotion 6:208-14. 2006..The findings suggest that, despite conceptual masking inherent in rapid serial visual presentation, affective pictures prompt measurable emotional engagement... - Emotional perception: correlation of functional MRI and event-related potentialsDean Sabatinelli
NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL 32610, USA
Cereb Cortex 17:1085-91. 2007.... - A multi-process account of startle modulation during affective perceptionMargaret M Bradley
Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida 32610, USA
Psychophysiology 43:486-97. 2006.... - Cortical sources of the respiratory-related evoked potentialAndreas von Leupoldt
Department of Physiological Sciences, University of Florida, Gainesville, USA
Respir Physiol Neurobiol 170:198-201. 2010..05). The results support previous findings on the cortical sources of early RREP components Nf, P1 and N1 and demonstrate the cortical sources of later RREP components P2 and P3... - The psychophysiology of anxiety disorder: fear memory imageryBruce N Cuthbert
Center for the Study of Emotion and Attention, University of Florida, Gainesville, Florida 32610, USA
Psychophysiology 40:407-22. 2003..Overall, physiological reactivity to sentence memory cues was greatest in patients with focal fear of specific objects or events, and reduced in patients characterized by generalized, high negative affect... - Brain activation by disgust-inducing pictures in obsessive-compulsive disorderNathan A Shapira
Department of Psychiatry, College of Medicine, University of Florida, Gainesville, Florida, USA
Biol Psychiatry 54:751-6. 2003.... - Event-related potential studies of language and emotion: words, phrases, and task effectsIra Fischler
Psychology Department, PO Box 112250, University of Florida, Gainesville, FL 32611, USA
Prog Brain Res 156:185-203. 2006.... - Robust single-trial ERP estimation based on spatiotemporal filteringRuijiang Li
Computational NeuroEngineering Lab, Electrical and Computer Engineering Department, University of Florida, Gainesville, FL 32611, USA
Conf Proc IEEE Eng Med Biol Soc 2007:5206-9. 2007..Study with real cognitive ERP data shows the robustness of the method with reduced estimation variance... - Looking at facial expressions: dysphoria and facial EMGDenise M Sloan
Department of Psychology, Weiss Hall, Temple University, Philadelphia, PA 19122, USA
Biol Psychol 60:79-90. 2002..g. frown response) to the happy facial expressions. These findings indicate that dysphoric persons have impaired interpersonal reactivity that is specific to happy facial displays... - Psychopathy and physiological response to emotionally evocative soundsEdelyn Verona
Department of Psychology, Kent State University, Kent, OH 44242, USA
J Abnorm Psychol 113:99-108. 2004..These findings indicate abnormal reactivity to both positive and negative emotional stimuli in psychopathic individuals, and suggest differing roles for the 2 facets of psychopathy in affective processing deviations... - Early modulation of visual perception by emotional arousal: evidence from steady-state visual evoked brain potentialsAndreas Keil
Department of Psychology, University of Konstanz, Konstanz, Germany
Cogn Affect Behav Neurosci 3:195-206. 2003..These findings are consistent with reentrant modulation of early visual processing by distributed networks including subcortical and neocortical structures according to a stimulus's motivational relevance... - Effect of fear on dental utilization behaviors and oral health outcomeXiaoxian Meng
Department of Diagnostic Sciences, School of Dentistry, University of Alabama at Birmingham, AL 35294 0007, USA
Community Dent Oral Epidemiol 35:292-301. 2007..This paper assesses the effect of fear on a number of dental utilization behaviors and oral heath outcome in a sample of adult Floridians... - Additive effects of emotional content and spatial selective attention on electrocortical facilitationAndreas Keil
Department of Psychology, University of Konstanz, Germany
Cereb Cortex 15:1187-97. 2005..The data suggest that affective stimulus properties modulate the spatiotemporal process along the ventral stream, encompassing amplitude amplification and timing changes of posterior and temporal cortex... - Repetition and event-related potentials: distinguishing early and late processes in affective picture perceptionMaurizio Codispoti
University of Bologna, Italy
J Cogn Neurosci 19:577-86. 2007.... - Rapid picture processing: affective primes and targetsTobias Flaisch
Department of Psychology, University of Konstanz, Konstanz, Germany
Psychophysiology 45:1-10. 2008..These findings are discussed within a framework of competition among successive pictures... - Repetitive picture processing: autonomic and cortical correlatesMaurizio Codispoti
Department of Psychology, University of Bologna, Bologna, Italy
Brain Res 1068:213-20. 2006..These findings suggest that while stimulus detection and categorization, reflected in the LPP, is mandatory, autonomic modulation reflects initial orienting responses that habituate rapidly... - Fleeting images: rapid affect discrimination in the visual cortexMarkus Junghofer
Institute for Biomagnetism and Biosignalanalysis, University of Munster, Munster, Germany
Neuroreport 17:225-9. 2006..Results further support the notion that attention and perceptual processing are in part directed by underlying motivational systems... - Affective reactions to pictures of ingroup and outgroup membersLisa M Brown
Department of Psychology, Austin College, 900 N Grand Avenue, Sherman, TX 75090 4440, USA
Biol Psychol 71:303-11. 2006.... - Large-scale neural correlates of affective picture processingAndreas Keil
Department of Psychology, University of Konstanz, Germany
Psychophysiology 39:641-9. 2002..Sources of slow wave modulation were located in occipital and posterior parietal cortex, with a right-hemispheric dominance...
Research Grants
- DENTAL FEAR AND ANTICIPATION OF PAIN: IMAGING THE BRAINMargaret Bradley; Fiscal Year: 2005..The proposed methodology is, furthermore, adaptable and can be used subsequently to address other facets (sensory and emotional) of the pain experience. ..