John JB Allen

John JB Allen

Professor, Psychology
Distinguished Professor
Professor, BIO5 Institute
Member of the General Faculty
Professor, Neuroscience - GIDP
Member of the General Faculty
Member of the Graduate Faculty
Primary Department
Department Affiliations
Contact
(520) 621-7448

Work Summary

Depression is a major health problem that is often chronic or recurrent. Existing treatments have limited effectiveness, and are provided wihtout a clear indication that they will match a particular patient's needs. In this era of precision medicine, we strive to develop neurally-informed treatments for depression and related disorders.

Research Interest

Dr. Allen’s research spans several areas, but the main focus is the etiology and treatment of mood and anxiety disorders. His work focuses on identifying risk factors for depression using electroencephalographic and autonomic psychophysiological measures, especially EEG asymmetry, resting state fMRI connectivity, and cardiac vagal control. Based on these findings, he is developing novel and neurally-informed treatments for mood and anxiety disorders, including Transcranial Ultrasound, EEG biofeedback, and Transcranial Direct Current and Transcranial Alternating Current stimulation. Other work includes understanding how emotion and emotional disorders influence the way we make decisions and monitor our actions. Keywords: Depression, Neuromodulation, EEG, Resting-state fMRI

Publications

Janssen, C. W., Lowry, C. A., Mehl, M. R., Allen, J. J., Kelly, K. L., Gartner, D. E., Medrano, A., Begay, T. K., Rentscher, K., & White, J. J. (2016). Whole-body hyperthermia for the treatment of major depressive disorder: a randomized clinical trial. JAMA psychiatry, 73(8), 789-795.
Cavanagh, J. F., Zambrano-Vazquez, L., & Allen, J. J. (2012). Theta lingua franca: A common mid-frontal substrate for action monitoring processes. Psychophysiology, 49(2), 220-238.

PMID: 22091878;PMCID: PMC3262926;Abstract:

We present evidence that a multitude of mid-frontal event-related potential (ERP) components partially reflect a common theta band oscillatory process. Specifically, mid-frontal ERP components in the N2 time range and error-related negativity time range are parsimoniously characterized as reflections of theta band activities. Forty participants completed three different tasks with varying stimulus-response demands. Permutation tests were used to identify the dominant time-frequency responses of stimulus- and response-locked conditions as well as the enhanced responses to novelty, conflict, punishment, and error. A dominant theta band feature was found in all conditions, and both ERP component amplitudes and theta power measures were similarly modulated by novelty, conflict, punishment, and error. The findings support the hypothesis that generic and reactive medial prefrontal cortex processes are parsimoniously reflected by theta band activities. © 2011 Society for Psychophysiological Research.

Bismark, A. W., Moreno, F. A., Stewart, J. L., Towers, D. N., Coan, J. A., Oas, J., Erickson, R. P., & Allen, J. J. (2010). Polymorphisms of the HTR1a allele are linked to frontal brain electrical asymmetry. Biological Psychology, 83(2), 153-158.

PMID: 20025927;PMCID: PMC2845287;Abstract:

Polymorphic variations in genes related to serotonin synthesis, transport, recognition, or degradation may convey subtle changes in serotonin system architecture that may place an individual at risk for psychopathology when faced with life stressors. The relationship between three key serotonin alleles and frontal brain electrical asymmetry, a putative endophenotype of depression, was examined. Risk alleles were hypothesized to predict relatively greater right frontal brain activity regardless of current clinical state. A sample of 313 college-age individuals, spanning a range of depressive severity from no symptomotology to clinically meaningful levels, participated. Resting encephalographic (EEG) activity was recorded from 64 scalp sites on four occasions separated by at least 24. h (two 8-min recording sessions occurring at each occasion). Alpha power asymmetry scores between homologous sites were calculated for each session and then averaged to form a trait metric of asymmetry for each pair. PCR based genotyping was conducted for the HTR1a, HTR2a, and HTTLPR genes. Variations in the HTR1a gene were related to trait EEG asymmetry, regardless of any history of depression. Compared to subjects with at least one non-risk allele, subjects with homozygous HTR1A risk alleles had significantly greater relative right frontal activity at sites F7/F8, F5/F6, and F1/F2. In conclusion, variation in HTR1a can influence trait level brain activity, which may ultimately be indicative of risk for psychopathology. © 2009 Elsevier B.V.

Manber, R., J., J., & Morris, M. M. (2002). Alternative treatments for depression: Empirical support and relevance to women. Journal of Clinical Psychiatry, 63(7), 628-640.

PMID: 12143922;Abstract:

Background: This article is a critical review of the efficacy of selected alternative treatments for unipolar depression including exercise, stress management techniques, acupuncture, St. John's wort, bright light, and sleep deprivation. Issues related to women across the life span, including pregnancy and lactation, are highlighted. Data Sources: Evidence of efficacy is based on randomized controlled trials. A distinction is made between studies that address depressive symptoms and studies that address depressive disorders. The review emphasizes issues related to effectiveness, such as treatment availability, acceptability, safety, and cost and issues relevant to women. Data Synthesis: Exercise, stress reduction methods, bright light exposure, and sleep deprivation hold greater promise as adjuncts to conventional treatment than as monotherapies for major depression. The evidence to date is not sufficiently compelling to suggest the use of St. John's wort in favor of or as an alternative to existing U.S. Food and Drug Administration-regulated compounds. Initial evidence suggests that acupuncture might be an effective alternative monotherapy for major depression, single episode. Conclusion: This review indicates that some unconventional treatments hold promise as alternative or complementary treatments for unipolar depression in women and have the potential to contribute to its long-term management. Additional research is needed before further recommendations can be made, and there is an urgent need to carefully document and report the frequency of minor and major side effects.

Stewart, J. L., Coan, J. A., Towers, D. N., & Allen, J. J. (2014). Resting and Task-Elicited Prefrontal Brain Asymmetry in Depression: Support for the Capability Model. Psychophysiology.