Alexander J Shackman
Affiliation: University of Wisconsin
- Right dorsolateral prefrontal cortical activity and behavioral inhibitionAlexander J Shackman
Laboratory for Affective Neuroscience, University of Wisconsin Madison, Madison, WI 53706, USA
Psychol Sci 20:1500-6. 2009..This observation provides novel support for recent conceptualizations of behavioral inhibition and clues to the mechanisms that might underlie variation in threat-induced negative affect...
- Stress potentiates early and attenuates late stages of visual processingAlexander J Shackman
Department of Psychology, University of Wisconsin Madison, Madison, Wisconsin 53706, USA
J Neurosci 31:1156-61. 2011..These results provide a novel basis for understanding how stress can modulate information processing in everyday life and stress-sensitive disorders...
- Electromyogenic artifacts and electroencephalographic inferencesAlexander J Shackman
Laboratory for Affective Neuroscience and Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, W J Brogden Hall, 1202 West Johnson Street, Madison, WI 53706, USA
Brain Topogr 22:7-12. 2009..We conclude by describing emerging methodological trends in this area that are likely to have substantial benefits for basic and applied EEG research...
- The integration of negative affect, pain and cognitive control in the cingulate cortexAlexander J Shackman
Department of Psychology, University of Wisconsin, Madison, Wisconsin, WI 53706, USA
Nat Rev Neurosci 12:154-67. 2011..These observations compel a reconsideration of the dorsal cingulate's contribution to negative affect and pain...
- Identifying robust and sensitive frequency bands for interrogating neural oscillationsAlexander J Shackman
Wisconsin Psychiatric Institute and Clinics, Departments of Psychology and Psychiatry, University of Wisconsin Madison, WI 53706, USA
Neuroimage 51:1319-33. 2010....
- Validation of ICA-based myogenic artifact correction for scalp and source-localized EEGBrenton W McMenamin
Department of Psychology, Center for Cognitive Science, University of Minnesota, Twin Cities, Minneapolis, MN, USA
Neuroimage 49:2416-32. 2010..In light of these results, several practical suggestions and recommendations are made for intelligently using ICA to minimize EMG and other common artifacts...
- Anxiety selectively disrupts visuospatial working memoryAlexander J Shackman
Department of Psychology, University of Wisconsin Madison, 59706, USA
Emotion 6:40-61. 2006..These observations suggest a revision of extant models of how anxiety sculpts cognition and underscore the utility of the desiderata...
- Compassion training alters altruism and neural responses to sufferingHelen Y Weng
Department of Psychology, University of Wisconsin Madison
Psychol Sci 24:1171-80. 2013....
- Unattended facial expressions asymmetrically bias the concurrent processing of nonemotional informationJeffrey S Maxwell
Laboratory for Affective Neuroscience, University of Wisconsin Madison, WI 53706, USA
J Cogn Neurosci 17:1386-95. 2005..By contrast, under high load, only angry distractors produced greater RH than LH interference as a function of anxiety...
- Individual differences in the effects of perceived controllability on pain perception: critical role of the prefrontal cortexTim V Salomons
University of Wisconsin Madison, WI, USA
J Cogn Neurosci 19:993-1003. 2007....
- Physical abuse amplifies attention to threat and increases anxiety in childrenJessica E Shackman
Department of Psychology, University of Wisconsin Madison, Madison, WI 53706, USA
Emotion 7:838-52. 2007..These findings indicate that extreme emotional experiences may promote vulnerability for anxiety by influencing the development of attention regulation abilities...
- Neuropeptide y receptor gene expression in the primate amygdala predicts anxious temperament and brain metabolismPatrick H Roseboom
Department of Psychiatry, University of Wisconsin at Madison, Madison, Wisconsin HealthEmotions Research Institute, University of Wisconsin at Madison, Madison, Wisconsin Electronic address
Biol Psychiatry 76:850-7. 2014..With a well-validated nonhuman primate model of AT, we examined expression of the NPY system in the central nucleus (Ce) of the amygdala, a critical neural substrate for extreme anxiety...
- Neural mechanisms underlying heterogeneity in the presentation of anxious temperamentAlexander J Shackman
Department of Psychiatry, University of Wisconsin, Madison, WI 53719, USA
Proc Natl Acad Sci U S A 110:6145-50. 2013..These findings provide a framework for understanding the mechanisms that lead to heterogeneity in the clinical presentation of internalizing disorders and set the stage for developing improved interventions...
- Reduced capacity to sustain positive emotion in major depression reflects diminished maintenance of fronto-striatal brain activationAaron S Heller
Laboratory for Affective Neuroscience, Waisman Laboratory for Brain Imaging and Behavior, Department of Psychology, University of Wisconsin, Madison, WI 53705, USA
Proc Natl Acad Sci U S A 106:22445-50. 2009..These findings support the hypothesis that anhedonia in depressed patients reflects the inability to sustain engagement of structures involved in positive affect and reward...
- Test-retest reliability of voluntary emotion regulationHyejeen Lee
Department of Psychology, University of Wisconsin, Madison, Wisconsin 53706, USA
Psychophysiology 46:874-9. 2009..The data also suggest that corrugator and startle might index partially dissociable constructs and underscore the need to collect multiple measures of emotion...
- Cognitive vulnerability and frontal brain asymmetry: common predictors of first prospective depressive episodeRobin Nusslock
Department of Psychology, Northwestern University, 2029 Sheridan Road, Evanston, IL 20208, USA
J Abnorm Psychol 120:497-503. 2011..Furthermore, multivariate analyses indicated that cognitive vulnerability and frontal asymmetry represented shared, rather than independent, predictors of first depression onset...
- Asymmetries in face and brain related to emotionRichard J Davidson
Laboratory for Affective Neuroscience and W M Keck Laboratory for Functional Brain Imaging and Behavior, University of Wisconsin Madison, WI, USA
Trends Cogn Sci 8:389-91. 2004..These findings have implications for understanding hemispheric differences in emotion and lend support to the notion that aspects of emotion processing might be differentially localized in the two hemispheres...
- The role of asymmetrical frontal cortical activity in aggressionCarly K Peterson
Department of Psychology, Texas A and M University, College Station, Texas 77843, USA
Psychophysiology 45:86-92. 2008..Within the right-hand contraction condition, greater relative left frontal activity was associated with greater aggression...
- The privileged status of emotion in the brainRichard J Davidson
Laboratory for Affective Neuroscience, University of Wisconsin, Madison, WI 53706, USA
Proc Natl Acad Sci U S A 101:11915-6. 2004
- Probing thalamic integrity in schizophrenia using concurrent transcranial magnetic stimulation and functional magnetic resonance imagingYelena Guller
Department of Psychiatry, University of Wisconsin Madison, 53706, USA
Arch Gen Psychiatry 69:662-71. 2012..Existing evidence of aberrant thalamic function is based on indirect measures of thalamic activity, but dysfunction has not yet been demonstrated with a causal method...