THOMAS EKKEHARD contact RITZ

Summary

Affiliation: Southern Methodist University
Country: USA

Publications

  1. doi request reprint Daily life negative mood and exhaled nitric oxide in asthma
    Thomas Ritz
    Southern Methodist University, Dallas, TX, USA Electronic address
    Biol Psychol 118:176-83. 2016
  2. doi request reprint Airway nitric oxide and psychological processes in asthma and health: a review
    Thomas Ritz
    Southern Methodist University, Dallas, Texas Electronic address
    Ann Allergy Asthma Immunol 112:302-8. 2014
  3. pmc Discrepancies between lung function and asthma control: asthma perception and association with demographics and anxiety
    Ashton M Steele
    Department of Psychology, Southern Methodist University, Dallas, TX 75275, USA
    Allergy Asthma Proc 33:500-7. 2012
  4. pmc Airway responsiveness to psychological processes in asthma and health
    Thomas Ritz
    Southern Methodist University Dallas, TX, USA
    Front Physiol 3:343. 2012
  5. doi request reprint Cardiovascular activity in blood-injection-injury phobia during exposure: evidence for diphasic response patterns?
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Behav Res Ther 51:460-8. 2013
  6. doi request reprint Psychosocial factors and behavioral medicine interventions in asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75275, USA
    J Consult Clin Psychol 81:231-50. 2013
  7. pmc Respiratory sinus arrhythmia as an index of vagal activity during stress in infants: respiratory influences and their control
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas, United States of America
    PLoS ONE 7:e52729. 2012
  8. doi request reprint Respiratory muscle tension as symptom generator in individuals with high anxiety sensitivity
    Thomas Ritz
    Department of Psychology, Southern Methodist University, PO Box 750442, Dallas, TX 75275 0442, USA
    Psychosom Med 75:187-95. 2013
  9. doi request reprint Airway constriction in asthma during sustained emotional stimulation with films
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Biol Psychol 91:8-16. 2012
  10. ncbi request reprint Perceived triggers of asthma: evaluation of a German version of the Asthma Trigger Inventory
    Thomas Ritz
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    Respir Med 102:390-8. 2008

Detail Information

Publications52

  1. doi request reprint Daily life negative mood and exhaled nitric oxide in asthma
    Thomas Ritz
    Southern Methodist University, Dallas, TX, USA Electronic address
    Biol Psychol 118:176-83. 2016
    ..Psychosocial stress and negative affect have been linked to asthma exacerbations, but longitudinal studies demonstrating a daily life association between negative affect and airway nitric oxide are missing...
  2. doi request reprint Airway nitric oxide and psychological processes in asthma and health: a review
    Thomas Ritz
    Southern Methodist University, Dallas, Texas Electronic address
    Ann Allergy Asthma Immunol 112:302-8. 2014
    ..However, NO serves multiple functions throughout the organism, and various influences on FeNO levels beyond inflammation have been documented. Emerging literature indicates that psychological processes are systematically linked to FeNO...
  3. pmc Discrepancies between lung function and asthma control: asthma perception and association with demographics and anxiety
    Ashton M Steele
    Department of Psychology, Southern Methodist University, Dallas, TX 75275, USA
    Allergy Asthma Proc 33:500-7. 2012
    ..Normal perceivers in this sample tended to be older. Overperceivers tended to be female. Our findings encourage further research using the reported method of classifying asthma patients into perceiver categories...
  4. pmc Airway responsiveness to psychological processes in asthma and health
    Thomas Ritz
    Southern Methodist University Dallas, TX, USA
    Front Physiol 3:343. 2012
    ..The technique of emotion-induction using films has the potential to become a standardized challenge paradigm for the further exploration of airway hyperresponsiveness mediated by central nervous system processes...
  5. doi request reprint Cardiovascular activity in blood-injection-injury phobia during exposure: evidence for diphasic response patterns?
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Behav Res Ther 51:460-8. 2013
    ..Respiratory training may add to the treatment of BII phobia patients that show diphasic response patterns. ..
  6. doi request reprint Psychosocial factors and behavioral medicine interventions in asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75275, USA
    J Consult Clin Psychol 81:231-50. 2013
    ..This review examines the evidence for psychosocial influences in asthma and behavioral medicine approaches to its treatment...
  7. pmc Respiratory sinus arrhythmia as an index of vagal activity during stress in infants: respiratory influences and their control
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas, United States of America
    PLoS ONE 7:e52729. 2012
    ..As expected, breathing substantially affects infant RSA and needs to be considered in studies of infant psychophysiology...
  8. doi request reprint Respiratory muscle tension as symptom generator in individuals with high anxiety sensitivity
    Thomas Ritz
    Department of Psychology, Southern Methodist University, PO Box 750442, Dallas, TX 75275 0442, USA
    Psychosom Med 75:187-95. 2013
    ..We therefore examined the potential of intercostal muscle tension to elicit dyspnea in individuals with high anxiety sensitivity, a risk factor for developing panic disorder...
  9. doi request reprint Airway constriction in asthma during sustained emotional stimulation with films
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Biol Psychol 91:8-16. 2012
    ....
  10. ncbi request reprint Perceived triggers of asthma: evaluation of a German version of the Asthma Trigger Inventory
    Thomas Ritz
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    Respir Med 102:390-8. 2008
    ..Here we evaluate a German language version of the ATI and studied the relationship of subscales with self-reported health status, health care use, psychopathology, and results of allergy skin testing...
  11. doi request reprint Airway response to emotion- and disease-specific films in asthma, blood phobia, and health
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas 75205, USA
    Psychophysiology 48:121-35. 2011
    ..Leg muscle tension did not abolish R(os) increases. Thus, the airways are particularly responsive to BII-relevant stimuli, which could become risk factors for asthma patients...
  12. doi request reprint Hyperventilation symptoms are linked to a lower perceived health in asthma patients
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Ann Behav Med 35:97-104. 2008
    ..Hyperventilation symptoms are among the sensations asthma patients tend to report during exacerbations of their disease. However, little is known about their importance for the patients' perceived well-being...
  13. doi request reprint Physical activity, lung function, and shortness of breath in the daily life of individuals with asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Chest 138:913-8. 2010
    ..However, the immediate effect of physical activity in asthma and health is bronchodilation. To date, little is known about the association between physical activity and lung function in the daily life of asthma patients...
  14. doi request reprint Psychological triggers and hyperventilation symptoms in asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas 75205, USA
    Ann Allergy Asthma Immunol 100:426-32. 2008
    ..However, little is known about the empirical association between psychological and other trigger factors and hyperventilation in asthma exacerbations...
  15. doi request reprint Airway response to emotional stimuli in asthma: the role of the cholinergic pathway
    Thomas Ritz
    Department of Psychology, University of Hamburg, Hamburg, Germany
    J Appl Physiol (1985) 108:1542-9. 2010
    ..Its link to the perceived psychological triggers in patients' daily lives suggests a physiological basis for emotion-induced asthma...
  16. doi request reprint Changes in pCO2, symptoms, and lung function of asthma patients during capnometry-assisted breathing training
    Thomas Ritz
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    Appl Psychophysiol Biofeedback 34:1-6. 2009
    ..With our current protocol of paced breathing and capnometry-assisted biofeedback at least 4 weeks are needed to achieve a normalization of pCO(2) levels and reduction in symptoms in asthma patients...
  17. doi request reprint Do blood phobia patients hyperventilate during exposure by breathing faster, deeper, or both?
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas 75205, USA
    Depress Anxiety 26:E60-7. 2009
    ..Hyperventilation results from increases in minute ventilation above levels required by metabolic demand and can result from increases in either frequency or depth of breathing, or a combination of both...
  18. doi request reprint Emotional reactivity of the airways in asthma: consistency across emotion-induction techniques and emotional qualities
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Biol Psychol 84:74-81. 2010
    ..In addition to the central airway, peripheral and extrathoracic airways may also contribute the consistency of such responses...
  19. doi request reprint Studying noninvasive indices of vagal control: the need for respiratory control and the problem of target specificity
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Biol Psychol 80:158-68. 2009
    ..Studies also need to address muscarinic receptor sensitivity before noninvasive vagal indices can be interpreted as markers of central vagal outflow...
  20. doi request reprint The psychophysiology of blood-injection-injury phobia: looking beyond the diphasic response paradigm
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Int J Psychophysiol 78:50-67. 2010
    ..The evidence may indicate a role for respiration-focused coping techniques in BII phobia...
  21. ncbi request reprint Affective modulation of swallowing rates: unpleasantness or arousal?
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    J Psychosom Res 61:829-33. 2006
    ..Affect-induced swallowing may be an important biobehavioral factor in gastrointestinal disorders. However, previous studies failed to distinguish between pleasantness and arousal effects and did not analyze gender effects...
  22. doi request reprint Stress-induced respiratory pattern changes in asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, PO Box 750442, Dallas, TX 75275 0442, USA
    Psychosom Med 73:514-21. 2011
    ..Emotions and stress are known to change the respiratory pattern. In asthma, certain breathing patterns have adverse effects on the airways and lead to symptom exacerbation...
  23. doi request reprint Daily mood, shortness of breath, and lung function in asthma: concurrent and prospective associations
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    J Psychosom Res 69:341-51. 2010
    ....
  24. ncbi request reprint Implementation and interpretation of respiratory sinus arrhythmia measures in psychosomatic medicine: practice against better evidence?
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas 75205, USA
    Psychosom Med 68:617-27. 2006
    ..Finally, we outline a respiratory control method for the time-domain index of RSA and review research pertaining to its reliability, validity, and experimental application...
  25. doi request reprint Acute stress-induced increases in exhaled nitric oxide in asthma and their association with endogenous cortisol
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Am J Respir Crit Care Med 183:26-30. 2011
    ..Furthermore, although studies have demonstrated lower levels or reactivity of endogenous cortisol in asthma, the association with airway inflammatory activity in stress remains unexplored...
  26. ncbi request reprint Evaluation of a respiratory muscle biofeedback procedure-effects on heart rate and dyspnea
    Thomas Ritz
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    Appl Psychophysiol Biofeedback 31:253-61. 2006
    ..Thus, the technique is capable of altering respiratory muscle tension and associated dyspnea. Further studies may test the procedure as a relaxation technique in patients with respiratory disease or anxiety...
  27. doi request reprint The effects of paced breathing on respiratory resistance are minimal in healthy individuals
    Thomas Ritz
    Department of Psychology, Southern Methodist University, Dallas, Texas 75275 0442, USA
    Psychophysiology 46:1014-9. 2009
    ..Thus, regular paced breathing at different speeds across a range of naturally occurring breathing frequencies has only minimal effects on resistance of the airway passages...
  28. ncbi request reprint The asthma trigger inventory: validation of a questionnaire for perceived triggers of asthma
    Thomas Ritz
    Department of Psychology, Southern Methodist University, P O Box 750442, Dallas, TX 75275 0442, USA
    Psychosom Med 68:956-65. 2006
    ..Asthma patients' perceptions of triggers have been explored in a largely unstructured fashion in the past. We therefore developed and validated a questionnaire of commonly perceived asthma triggers...
  29. ncbi request reprint Airways, respiration, and respiratory sinus arrhythmia during picture viewing
    Thomas Ritz
    Psychological Institute III, University of Hamburg, Hamburg, Germany
    Psychophysiology 42:568-78. 2005
    ..RSA and respiratory timing parameters were particularly sensitive to erotic pictures. Differences between asthmatics and controls were minimal, suggesting that airway responses to unpleasant pictures are not specific to asthma...
  30. ncbi request reprint End-tidal pCO2 in blood phobics during viewing of emotion- and disease-related films
    Thomas Ritz
    Psychological Institute III, University of Hamburg, Hamburg, Germany
    Psychosom Med 67:661-8. 2005
    ..We studied end-tidal pCO2 in 12 patients with BII phobia and 14 nonanxious controls during presentation of emotional films...
  31. doi request reprint Dependency of illness evaluation on the social comparison context: findings with implicit measures of affective evaluation of asthma
    Sibylle Petersen
    Department of Psychology, University of Hamburg, Germany
    Br J Health Psychol 15:401-16. 2010
    ..However, little is known about the stability of this affective representation across contexts. We explored the role of social comparison in this affective evaluation...
  32. pmc Hyperventilation in panic disorder and asthma: empirical evidence and clinical strategies
    Alicia E Meuret
    Department of Psychology, Southern Methodist University, Dallas, TX 75206, USA
    Int J Psychophysiol 78:68-79. 2010
    ..Raising CO2 levels by means of therapeutic capnometry has proven beneficial effects in both disorders, and the reversing of hyperventilation has emerged as a potent mediator for reductions in panic symptom severity and treatment success...
  33. doi request reprint Treatments for blood-injury-injection phobia: a critical review of current evidence
    Erica S Ayala
    Department of Psychology, Southern Methodist University, Dallas, TX 75206, USA
    J Psychiatr Res 43:1235-42. 2009
    ..Further research is needed to determine the efficacy of treatment techniques for BII phobia patients with and without fainting history...
  34. ncbi request reprint Panic attack symptom dimensions and their relationship to illness characteristics in panic disorder
    Alicia E Meuret
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    J Psychiatr Res 40:520-7. 2006
    ..We conclude that partly independent panic symptom dimensions can be identified that have different implications for severity and control of panic disorder...
  35. ncbi request reprint Association of depression and anxiety with health care use and quality of life in asthma patients
    Antje Kullowatz
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Respir Med 101:638-44. 2007
    ..Because depression and anxiety are typically correlated, we sought to explore whether depression specifically is associated with health care utilization and quality of life when effects of anxiety are controlled for...
  36. ncbi request reprint Targeting pCO(2) in asthma: pilot evaluation of a capnometry-assisted breathing training
    Alicia E Meuret
    Department of Psychology, Southern Methodist University, Dallas, TX 75205, USA
    Appl Psychophysiol Biofeedback 32:99-109. 2007
    ..This pilot study aimed to evaluate the feasibility and potential benefits of a novel biofeedback breathing training for achieving sustained increases in pCO(2) levels...
  37. ncbi request reprint Prevalence and correlates of asthma in children with internalizing psychopathology
    Alicia E Meuret
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, USA
    Depress Anxiety 23:502-8. 2006
    ..Though parent report of asthma diagnosis is commonly used in surveys of childhood asthma, our findings have to be viewed in the light of its limitations...
  38. pmc Feedback of end-tidal pCO2 as a therapeutic approach for panic disorder
    Alicia E Meuret
    Department of Psychology, Southern Methodist University, 6424 Hilltop Lane, Dallas, TX 75205, United States
    J Psychiatr Res 42:560-8. 2008
    ..We tested the effectiveness of a new, brief, capnometry-assisted breathing therapy (BRT) on clinical and respiratory measures in PD...
  39. doi request reprint Confrontation with blood and disgust stimuli precipitates respiratory dysregulation in blood-injection-injury phobia
    Erica S Ayala
    Department of Psychology, Southern Methodist University, Dallas, TX 75275, USA
    Biol Psychol 84:88-97. 2010
    ....
  40. ncbi request reprint Behavioral interventions in asthma: biofeedback techniques
    Thomas Ritz
    Psychological Institute III, University of Hamburg, Von Melle Park 5, D 20146 Hamburg, Germany
    J Psychosom Res 56:711-20. 2004
    ..We review evidence for the effectiveness of these biofeedback interventions and discuss the psychophysiological rationale behind individual techniques...
  41. ncbi request reprint Probing the psychophysiology of the airways: physical activity, experienced emotion, and facially expressed emotion
    Thomas Ritz
    Psychological Institute III, University of Hamburg, Hamburg, Germany
    Psychophysiology 41:809-21. 2004
    ..However, these effects are small and less consistent in posed emotional expressions. The mechanisms of emotion-induced airway responses and potential benefits of emotional expression in asthma deserve further study...
  42. doi request reprint Awareness of breathing: the structure of language descriptors of respiratory sensations
    Sibylle Petersen
    Department of Psychology, University of Hamburg, Hamburg, Germany
    Health Psychol 27:122-7. 2008
    ..In this study superordinated clusters of dyspnea were investigated in combination with a dimensional approach...
  43. doi request reprint Affective evaluation and cognitive structure of respiratory sensations in healthy individuals
    Sibylle Petersen
    Department of Psychology, University of Hamburg, Hamburg, Germany
    Br J Health Psychol 14:751-65. 2009
    ..Such knowledge would be important in evaluating the comparability of respiratory sensation report between healthy controls and patient groups...
  44. ncbi request reprint Behavioral interventions in asthma. Breathing training
    Thomas Ritz
    Psychological Institute III, University of Hamburg, Germany
    Behav Modif 27:710-30. 2003
    ..Additional research is needed on the psychological and physiological mechanisms of individual breathing techniques in asthma, differential effects in subgroups of asthma patients, and the generalization of training effects on daily life...
  45. ncbi request reprint Breathing training for treating panic disorder. Useful intervention or impediment?
    Alicia E Meuret
    University of Hamburg, Stanford University, and Department of Veterans Affairs Health Care System, USA
    Behav Modif 27:731-54. 2003
    ..More studies are needed that are designed to measure the efficacy of BT using an adequate rationale and methodology. Claims that BT should be rejected in favor of cognitive or other forms of intervention are premature...
  46. doi request reprint Stress effects on lung function in asthma are mediated by changes in airway inflammation
    Antje Kullowatz
    Department of Environmental Health, Harvard University, Boston, MA, USA
    Psychosom Med 70:468-75. 2008
    ..Associations between psychological factors and asthma symptoms have been documented, but the relationship between airway inflammation and psychological factors has been largely unexplored...
  47. ncbi request reprint Do asthma patients in general practice profit from a structured allergy evaluation and skin testing? A pilot study
    Carol Bobb
    South Lewisham Group Practice, Catford, London, UK
    Respir Med 97:1180-7. 2003
    ..Although allergy is central to the pathophysiology of asthma, little is known about the benefits of a structured approach to allergen diagnosis and management in primary care asthma patients...
  48. ncbi request reprint Voluntary hyperventilation in the treatment of panic disorder--functions of hyperventilation, their implications for breathing training, and recommendations for standardization
    Alicia E Meuret
    Center for Anxiety and Related Disorders, Boston University, USA
    Clin Psychol Rev 25:285-306. 2005
    ..We propose how VH procedures might be standardized in future studies...
  49. ncbi request reprint Reliability and validity of the Asthma Trigger Inventory applied to a pediatric population
    Beatrice L Wood
    Woman and Children s Hospital of Buffalo, 219 Bryant Street, Buffalo, NY 14222, USA
    J Pediatr Psychol 32:552-60. 2007
    ..To test the reliability and validity of the Asthma Trigger Inventory (ATI) applied to a pediatric population...
  50. ncbi request reprint Airway response of healthy individuals to affective picture series
    Thomas Ritz
    Department of Psychiatry and Behavioral Sciences, Stanford University, and VA Palo Alto Health Care System 116F PAD, 3801 Miranda Ave, Palo Alto, CA 94304, USA
    Int J Psychophysiol 46:67-75. 2002
    ..Observed airway responses are probably less informative with respect to affect-induced exacerbation in lower airway disease...
  51. ncbi request reprint Guidelines for mechanical lung function measurements in psychophysiology
    Thomas Ritz
    Department of Psychiatry and Behavioral Sciences, Stanford University, and the VA Palo Alto Health Care System Palo Alto, California 94304, USA
    Psychophysiology 39:546-67. 2002
    ..Recommendations are presented to increase the degree of standardization in the research application and publication of mechanical lung function measurements in psychophysiology...
  52. ncbi request reprint Effects of affective picture viewing and imagery on respiratory resistance in nonasthmatic individuals
    Thomas Ritz
    Department of Psychiatry and Behavioral Sciences, Stanford University and VA Palo Alto Health Care System, Palo Alto 94304, California, USA
    Psychophysiology 39:86-94. 2002
    ..The findings in R(os) are discussed in the light of earlier discrepant findings on the affective modulation of airway resistance and cardiac activity...