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...
- 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...
- 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...
- 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...
- Intergenerational neural mediators of early-life anxious temperamentAndrew S Fox
HealthEmotions Research Institute, Department of Psychiatry, University of Wisconsin Madison, Madison, WI 53719 Waisman Center, University of Wisconsin Madison, Madison, WI 53705 Department of Psychiatry, University of Wisconsin Madison, Madison, WI 53719
Proc Natl Acad Sci U S A 112:9118-22. 2015..Importantly, although brain volume is highly heritable early in life, it is brain metabolism-not brain structure-that is the critical intermediary between genetics and the childhood risk to develop stress-related psychopathology. ..
- 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...