Resident Research

Current Peer Reviewed Publications

  • Kritikou I, Basta M, Vgontzas AN, Pejovic S, Fernandez-Mendoza J,Liao D, Bixler EO, Gaines J, Chrousos GP. Sleep Apnea and Hypothalamic-Pituitary-Adrenal Axis in Men and Women: Effects of CPAP. In press, European Respiratory Journal 2015.

  • Fernandez-Mendoza J, Vgontzas AN, Kritikou I, Calhoun SL, Liao D, Bixler EO. Natural history of excessive daytime sleepiness: role of obesity, weight loss, depression, and sleep propensity. Sleep. 2015 Mar 1;38(3):351-60. doi: 10.5665/sleep.4488. PMID: 25581913

  • Gaines J, Vgontzas AN, Fernandez-Mendoza J, Kritikou I, Basta M, Bixler EO. Gender differences in the association of sleep apnea and inflammation. Brain Behav Immun. 2014

  • Kritikou I, Basta M, Vgontzas AN, Pejovic S, Liao D, Tsaoussoglou M, Bixler EO, Stejanakis Z, Chrousos GP.  Sleep apnea, sleepiness, inflammation, and insulin resistance in middle-aged males and females. Eur Respir J 2014;43:145-155.

Presentations at Technical and Professional Meetings

  • Alexandros N. Vgontzas, Jordan Gaines, Julio Fernandez-Mendoza, Ilia Kritikou, Maria Basta, Edward O. Bixler.  Gender Differences in the Association of Inflammation, Sleep Apnea, and Hypertension .  APSS, 6-10/2015; Seattle, Washington

  • Yun Li, Alexandros Vgontzas, Julio Fernandez-Mendoza, Ilia Kritikou, and Edward O Bixler.  Underlying Mechanisms on Subjective and Objective Excessive Daytime Sleepiness APSS, 6-10/2015; Seattle, Washington

  • Yun Li, Alexandros Vgontzas, Julio Fernandez-Mendoza, Ilia Kritikou, Maria Basta, Slobodanka Pejovic, Edward O Bixler.  Interplay of Short Sleep Duration and Impaired Cognition on All-cause Mortality Julio Fernandez-Mendoza, Fan He, Alexandros N. Vgontzas, Duanping Liao, Edward O. Bixler.  APSS, 6-10/2015; Seattle, Washington

  • Maghoub, Y, Hameed, A, Francis, A. Rare Occurrence of Covert Dyskinesia after Aripiprazole Discontinuation:  A Case Report and Literature Review, Pennsylvania Psychiatric Association Regional Meeting, Philadelphia PA, March 7 2015

  • Baweja R, Baweja R, Chaugule A, Rapp M. Musical Hallucinations- Correlation with Childhood Abuse: A Case Report and Literature Review. Poster was presented at Institute on Psychiatric Services, San Francisco, USA. October 30-November 2, 2014.

  • Piddoubny, W., Yacoub, A., Francis, A.  Emergent Depression Following Cessation of the Estrogen-Modulator Raloxifine:  Case Report and Literature Review, Academy of Psychosomatic Medicine, November 2014.

  • Ahmad Hameed M.D., Michael Mitchell MA., Amanda White BS., Eric A Youngstrom PhD., Roger E Meyer M.D. and Alan J Gelenberg .  Does the Level of Education Relate to Severity of Suicidality as Measured by the Sheehan-Suicidality Tracking Scale (S-STS)? An Analysis with an Adult Psychiatric Inpatient Population. M.D.  53rd Annual Meeting of the American College of Neuropsychopharmacology.   December 7011, 2014.  Phoenix, Arizona.

  • Ahmad Hameed M.D., Amanda White BS., Michael Mitchell MA., Eric A Youngstrom PhD., Roger E Meyer M.D. and Alan J Gelenberg M.D. Confirmation of Religiosity as a Protective Factor Against Suicidality Within a Psychiatric Inpatient Sample By Using C-SSRS. D. 66th Annual Meeting of  Institute on Psychiatric Services (IPS). October 30-Nov. 2, 2014.

  • Ahmad Hameed M.D., Amanda White BS., Michael Mitchell MA., Eric A Youngstrom PhD., Roger E Meyer M.D. and Alan J Gelenberg M.D  Binge Drinking Associated with an Increase in Suicidal Behavior in Adult Psychiatric Inpatient Population as Assessed by S-STS?. 66th Annual Meeting of  Institute on Psychiatric Services (IPS). October 30-Nov. 2, 2014.

  • Ahmad Hameed M.D., Amanda White BS., Michael Mitchell MA., Eric A Youngstrom PhD., Roger E Meyer M.D. and Alan J Gelenberg M.D.  Is the Frequency of Binge Drinking Related to a Higher Risk of Suicidal Behavior? An Assessment by Utilizing the C-SSRS in Adult Psychiatric Inpatients. 66th Annual Meeting

  • Ahmad Hameed M.D., Amanda White BS., Michael Mitchell MA., Eric A Youngstrom PhD., Roger E Meyer M.D. and Alan J Gelenberg M.D.  Do Patient  Satisfaction and Compliance with Mental Health Treatment Prior to Inpatient Admission Relate to Outcomes on Standardized Suicide Assessment. 66th Annual Meeting of  Institute on Psychiatric Services (IPS). October 30-Nov. 2, 2014.

Other Presentations

  • Mayes, Calhoun, Baweja, Mahr, Feldman, Syed, Gorman, Montaner, Annapareddy, Gupta, Bello & Siddiqui (2014 May)..  Suicidation and attempts and bullying in child and adolescent psychiatric and general population samples.  Pediatric Research Day, Hershey, PA.

  • Francis, A.  "Recognizing and treating catatonia across the diagnostic spectrum:  the impact of new DSM-5 classification," American Society of Clinical Psychopharmacology June 16, 2014.

  • Hammed A, Kritikou I, Joshi A. Penn State Psychiatry 2012-2014: Three years of Scholarship, Achievement and Innovation.  EdVenture Penn State 2015.

  • S Sandhu, Bixler EO, Covington A, Kaur K, Miller R, Singareddy R. Objective sleep in Adolescents and Young Adults with Anxiety Disorders: A General population study sample. Penn State Annual Resident Research Day 2015.