Research Topics
| Olga PollatosSummaryAffiliation: University of Munich Country: Germany Publications
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Detail Information
Publications
Impaired central processing of emotional faces in anorexia nervosaOlga Pollatos
Department of Neurology, Ludwig Maximilians University of Munich, Germany
Psychosom Med 70:701-8. 2008..To elucidate the potential relationship between classification of emotional faces and impaired central processing in eating disorders and to investigate the potential mediatory role of alexithymia and depression in this relationship...
Differential effects of anxiety and depression on interoceptive accuracyOlga Pollatos
Clinic of Neurology, University of Munich, Munich, Germany
Depress Anxiety 26:167-73. 2009..This study aimed to examine interrelations between the ability to perceive heartbeats accurately (interoceptive awareness), depressive symptoms, and anxiety in healthy participants...
Reduced perception of bodily signals in anorexia nervosaOlga Pollatos
Department of Psychology, Ludwig Maximilians University of Munich, Germany
Eat Behav 9:381-8. 2008..The objective of the study was to elucidate this potential relationship and to clarify whether general interoceptive sensitivity is reduced in anorexia nervosa...
Deficits in early emotional reactivity in alexithymiaOlga Pollatos
Department of Psychology, Ludwig Maximilians University of Munich, Munich, Germany
Psychophysiology 45:839-46. 2008..Differences in the early emotional reactivity to arousing material could contribute to difficulties in emotional processes related to alexithymia...
Heartbeat perception and P300 amplitude in a visual oddball paradigmOlga Pollatos
Department of Psychology, University of Munich, Leopoldstr 13, 80802 Munich, Germany
Clin Neurophysiol 118:2248-53. 2007..It remains an open question whether this variable is related to more elaborated information processing in general...
Emotional stimulation alters olfactory sensitivity and odor judgmentOlga Pollatos
Department of Neuroradiology, Ludwig Maximilians University of Munich, Marchioninistrasse 15, 81377 Munich, Germany
Chem Senses 32:583-9. 2007..We conclude that inducing a negative emotional state reduces olfactory sensitivity. A relation to functional deviations within the primary olfactory cortices is discussed...
Interoceptive awareness, anxiety and cardiovascular reactivity to isometric exerciseOlga Pollatos
Department of Psychology, LMU University, Munich, Germany
Int J Psychophysiol 65:167-73. 2007....
Brain structures mediating cardiovascular arousal and interoceptive awarenessOlga Pollatos
Biological Psychology, Department of Psychology, Ludwig Maximilians University, Munich, Germany
Brain Res 1141:178-87. 2007..The dorsal cingulate gyrus and the dorsomedial prefrontal cortex presumably represent the neural substrates of experiencing negative emotions...
Reduced olfactory sensitivity in subjects with depressive symptomsOlga Pollatos
Department of Neuroradiology, Ludwig Maximilians University of Munich, Germany
J Affect Disord 102:101-8. 2007..Clinical studies suggest that olfactory sensitivity is reduced in major depression. Nevertheless, only little is known about the relationship between depressive symptoms and olfactory functions in healthy subjects...
Brain structures involved in interoceptive awareness and cardioafferent signal processing: a dipole source localization studyOlga Pollatos
Department of Psychology, Ludwig Maximilians University of Munich, Germany
Hum Brain Mapp 26:54-64. 2005..We conclude that the identified structures are involved in the processing of cardiac signals, whereby anterior cingulate and right insula seem to serve as interoceptive centers for cardioception...
On the relationship between interoceptive awareness, emotional experience, and brain processesOlga Pollatos
Department of Psychology, Ludwig Maximilans University of Munich, Leopoldstr 13, 80802 Munich, Germany
Brain Res Cogn Brain Res 25:948-62. 2005..Our results demonstrate a strong relationship between the perception of cardiac signals and the cortical processing of emotional stimuli, as would be postulated for example by the James-Lange theory of emotions...
Neural systems connecting interoceptive awareness and feelingsOlga Pollatos
Department of Psychology, LMU University, Munich, Germany
Hum Brain Mapp 28:9-18. 2007..We conclude that the perception of bodily states is a crucial determinant for the processing and the subjective experience of feelings...
Interoceptive awareness mediates the relationship between anxiety and the intensity of unpleasant feelingsOlga Pollatos
Department of Psychology, University of Munich, Leopoldstr 13, 80802 Munich, Germany
J Anxiety Disord 21:931-43. 2007..Our results highlight the possible role of interoceptive awareness in the development of trait anxiety and may have further implications for theoretical models of anxiety disorders and their treatment...
Heart rate response after emotional picture presentation is modulated by interoceptive awarenessOlga Pollatos
Department of Psychology, University of Munich, Munich, Germany
Int J Psychophysiol 63:117-24. 2007..Our results demonstrate a strong relationship between the perception of cardiac signals and the peripheral processing of emotional stimuli...
Interoceptive sensitivity and emotion processing: an EEG studyBeate M Herbert
Department of Psychology, Biological Psychology, Ludwig Maximilians University of Munich, Leopoldstr 13, 80802 Munich, Germany
Int J Psychophysiol 65:214-27. 2007..The results indicate that there is a significant and strong association between interoceptive sensitivity and the intensity of emotional experience as well as the central processing of emotional stimuli...
Autonomic imbalance is associated with reduced facial recognition in somatoform disordersOlga Pollatos
Department of Psychology, University of Potsdam, Potsdam, Germany
J Psychosom Res 71:232-9. 2011..This study aimed to investigate how sympathovagal reactivity interacts with performance in recognizing emotions in faces (facial recognition task)...
Olfactory performance of patients with anorexia nervosa and healthy subjects in hunger and satietyTatjana Schreder
Department of Neuroradiology, Ludwig Maximilian University Munich, Germany
Rhinology 46:175-83. 2008..The reduced pleasantness of isoamyl acetate indicates a decreased olfactory responsiveness to food stimuli in anorexia nervosa...
Differential effects of alexithymia subscales on autonomic reactivity and anxiety during social stressOlga Pollatos
Department of Psychology, University of Potsdam, Potsdam, Germany
J Psychosom Res 70:525-33. 2011..This study aimed to analyze how the facets of alexithymia interact with autonomic reactivity as well as self- and observer-rated anxiety during a social stress task...
On the relationship between interoceptive awareness and the attentional processing of visual stimuliEllen Matthias
Department of Psychology, Ludwig Maximilian University, Munich, Germany
Int J Psychophysiol 72:154-9. 2009....
Activation of olfactory and trigeminal cortical areas following stimulation of the nasal mucosa with low concentrations of S(-)-nicotine vapor--an fMRI study on chemosensory perceptionJessica Albrecht
Department of Neuroradiology, Ludwig Maximilians University Munich, Munich, Germany
Hum Brain Mapp 30:699-710. 2009..In conclusion, even at low concentrations that do not consistently lead to painful sensations, intranasally applied nicotine activates both the olfactory and the trigeminal system...
No fear no risk! Human risk behavior is affected by chemosensory anxiety signalsKatrin Haegler
Department of Neuroradiology, Ludwig Maximilians University of Munich, Munich, Germany
Neuropsychologia 48:3901-8. 2010..This experiment gives evidence that chemosensory anxiety signals are communicated between humans thereby increasing participants' risk taking behavior...
Electrophysiological evidence of early processing deficits in alexithymiaOlga Pollatos
Department of Psychology, University of Potsdam, Karl Liebknecht Str 24 25, 14476 Potsdam, Germany
Biol Psychol 87:113-21. 2011..P1 amplitudes systematically covaried with P3 amplitudes supporting the assumption that deficits in early emotional processing contribute to later processing deficits...
Test-retest reliability of the olfactory detection threshold test of the Sniffin' sticksJessica Albrecht
Department of Neuroradiology, Ludwig Maximilians University Munich, Marchioninistrasse 15, 81377 Munich, Germany
Chem Senses 33:461-7. 2008..It is concluded that the olfactory detection threshold test of the Sniffin' Sticks is suitable for repeated testing during experimental or clinical studies...
Echo time dependence of BOLD fMRI studies of the piriform cortexRainer Kopietz
Department of Neuroradiology, University of Munich, Germany
Klin Neuroradiol 19:275-82. 2009....
Attenuated modulation of brain activity accompanies emotion regulation deficits in alexithymiaOlga Pollatos
Department of Psychology, University of Potsdam, Potsdam, Germany
Psychophysiology 49:651-8. 2012..We demonstrate profound deficits in emotion regulation, which might contribute to everyday problems of social functioning in alexithymia...
Electrophysiologic evidence for multilevel deficits in emotional face processing in patients with bulimia nervosaNicole Kühnpast
Department of Psychology, Chemnitz University of Technology, Chemnitz, Germany
Psychosom Med 74:736-44. 2012..The aim of the current study was to investigate electrophysiologic evidence for deficits in emotional face processing in patients with BN...
Accuracy of heartbeat perception is reflected in the amplitude of the heartbeat-evoked brain potentialOlga Pollatos
Biological Psychology, Department of Psychology, Ludwig-Maximilians-University Munich, Germany
Psychophysiology 41:476-82. 2004..Our results confirm that the accuracy of heartbeat perception is reflected in the amplitude of the HEP. Thus, the HEP may be a suitable research tool for the study of brain processes related to visceral perception...
Blunted autonomic reactivity and increased pain tolerance in somatoform patientsOlga Pollatos
Department of Psychology, Faculty of Human Sciences, University of Potsdam, Karl Liebknecht Str 24 25, 14476 Potsdam, Germany
Pain 152:2157-64. 2011..Our results might be attributable to a deficient detection of visceral signals and might be a pathogenetic mechanism for the development of emotional difficulties and increased everyday vulnerability in somatoform patients...
On the generalised embodiment of pain: how interoceptive sensitivity modulates cutaneous pain perceptionOlga Pollatos
Department of Psychology, University of Potsdam, Germany
Pain 153:1680-6. 2012..Our study provides novel evidence that interoceptive sensitivity is associated with the experience and tolerability of pain in conjunction with reactive changes in autonomic balance...
The time course of selective visual attention: theory and experimentsGustavo Deco
Siemens AG, Corporate Technology, CT IC 4, Munich, Germany
Vision Res 42:2925-45. 2002....
