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Γιάννης Παπατριανταφύλλου, MD, PhD

Υπεύθυνος του Νευρο-Ψυχιατρικού Ινστιτούτου ‘Οι Γέφυρες του Νου’

Απέκτησε πτυχίο Ιατρικής από το Πανεπιστήμιο Αθηνών, το έτος 1984 και την ειδικότητα της Ψυχιατρικής, 1993. Είναι διδάκτωρ του Πανεπιστημίου Αθηνών.

Έχει εκπαιδευθεί στην Γνωσιακή και Συστημική Ψυχοθεραπεία.

Μετεκπαιδεύθηκε στο Memory and Aging Center του UCSF.

Είναι Επιστημονικά Υπεύθυνος του Κέντρου για τη Τρίτη Ηλικία, IASIS (Ευρωπαϊκό πρόγραμμα ‘Υγεία-Πρόνοια’ 2000-06) από το 2008 και ψυχίατρος 2 ξενώνων ατόμων με ψυχιατρικές διαταραχές.

Επίσης υπεύθυνος του Ιατρείου Διαταραχών Μνήμης του Ιατρικού Κέντρου Αθηνών και ιδιώτης ιατρός για πάνω από 25 χρόνια.

Από το 2022 Επιστημονικός Συνεργάτης της Α Παν. Νευρολογικής κλινικής του Αιγινητείου Νοσοκομείου Αθηνών.

Έχει δημοσιεύσεις σε επιστημονικά περιοδικά, συμμετάσχει σε ερευνητικά προγράμματα και φαρμακευτικές  μελέτες. Έχει συμμετάσχει ως προσκεκλημένος ομιλητής σε διεθνή συνέδρια και διδακτικά προγράμματα.

Τα ερευνητικά του ενδιαφέροντα αφορούν τα νευρο-ψυχιατρικά σύνδρομα, την άνοια, την νοητική και λειτουργική αποκατάσταση αυτών των συνδρόμων.

Είναι μέλος διεθνών επιστημονικών εταιρειών (AAN, ANA, APA) και πρόεδρος της Ελληνικής  Εταιρείας Άνοιας.

Εκπαίδευση

Ιατρική Σχολή Πανεπιστημίου Αθηνών

Ειδικότητα Ψυχιατρικής

Διατριβή στην Ιατρική Σχολή του Πανεπιστημίου Αθηνών

Μετεκπαίδευση στο Memory & Aging Centre, UCSF, USA

Ψυχοθεραπευτική Εκπαίδευση

Γνωσιακή Ψυχοθεραπεία, Αιγινήτειο Νοσ/κομείο

Βραχεία Ψυχοδυναμική Θεραπεία, Αιγινήτειο Νοσ/κομείο

Συστημική Ψυχοθεραπεία, Αιγινήτειο Νοσ/κομείο

Δημοσιεύσεις

‘Clinicopathological characterization of vacuolar tauopathy associated with VCP D395G’ Alzheimer s Dement. 2025 Jul;21(7)

‘Development of a Specialized Telemedicine Protocol for Cognitive Disorders: The TeleCogNition Project in Greece’, Geriatrics 2025, 10(4), 94

‘The Greek Version of the Mild Behavioral Impairment Checklist (MBI-C): Psychometric Properties in Mild Cognitive Impairment Due to Alzheimer’s Disease’, Brain Sci. 2025 Apr 27;15(5):462

‘APOE Allele Frequency in Southern Greece: Exploring the Role of Geographical Gradient in the Greek Population’, Geriatrics (Basel). 2022 Dec 20;8(1):1

‘The Assessment of the Socioemotional Disorder in Neurodegenerative Diseases with the Revised Self-Monitoring Scale (RSMS)’, J Clin Med. 2022 Dec 12;11(24):7375

‘Non-Pharmacological Interventions for the Appetite and Eating Disorders in Patients with Dementia: A Cross-Over RCT’, Genesis-ACMR-3(4)-39

‘Assess of Combinations of Non-Pharmacological Interventions for the Reduction of Irritability in Patients with Dementia and their Caregivers: A Cross-Over RCT’, Brain Sci. 2022 May 26;12(6):691

‘Anosognosia in Dementia: Evaluation of Perfusion Correlates Using 99mTc-HMPAO SPECT and Automated Brodmann Areas Analysis’, Diagnostics (Basel). 2022 May 4;12(5):1136

‘Non-Pharmacological Interventions for Wandering/Aberrant Motor Behaviour in Patients with Dementia’, Brain Sci. 2022 Jan 19;12(2):130

‘Alzheimer’s disease research progress in the Mediterranean region: The Alzheimer’s Association International Conference Satellite Symposium’, Alzheimers Dement. 2022 Feb 20

‘Correlation of Neuropsychiatric Symptoms in Dementia with Brain Perfusion: A 99mTc-SPECT-HMPAO Study with Brodmann Areas Analysis’, Curr Alzheimer Res. 2021;18(12):970-983

‘Effect of Apolipoprotein E4 on the Driving Behavior of Patients with Amnestic Mild Cognitive Impairment or Mild Alzheimer’s Disease Dementia’, J Alzheimers Dis. 2021;84(3):1005-1014

‘TARDBP p.I383V, a recurrent alteration in Greek FTD patients’ J Neurol Sci. 2021 Sep 15;428:117566

‘Eating Disorders in Frontotemporal Dementia and Alzheimer’s Disease: Evaluation of Brain Perfusion Correlates Using 99mTc-HMPAO SPECT with Brodmann Areas Analysis’, J Alzheimers Dis. 2021;80(4):1657-1667

Autosomal dominant VCP hypomorph mutation impairs disaggregation of PHF-tau, Science 20 Nov 2020: Vol. 370, Issue 6519

‘The impact of COVID‐19 pandemic on people with mild cognitive impairment/dementia and on their caregivers’, Gen. Psychiatry, 1 NOV. 2020

‘Biomarker-based diagnosis of cognitive disorders in a case series’, Neuroimmunology and Neuroinflammation, 2020;7

‘Age at symptom onset and death and disease duration in genetic frontotemporal dementia: an international retrospective cohort study,’ Lancet Neurology, Dec 2019

‘The neural correlates of impaired self-monitoring among individuals with neurodegenerative dementias’, Journal of Neuropsychiatry and Clinical Neurosciences, 2019

‘Frontotemporal dementia spectrum: first genetic screen in a Greek cohort’, Neurobiol Aging. 2018 Nov 3., S0197-4580(18)30393-2

‘Defining Neuropsychiatric Inventory scale differences across frontotemporal dementia syndromes’, Psychogeriatrics, 2-8-18

‘Bilingualism in a Case of the Non-fluent/agrammatic Variant of Primary Progressive Aphasia’, Frontiers in Communication, 27 November 2018

‘Further Training, Educational Needs and Work Challenges of Mental Health Nurses in Greece before the Completion of the Psychiatric Reform’, Journal of Psychiatry and Mental Health, Volume 3 – Is. 2

‘A152T tau allele causes neurodegeneration that can be ameliorated in a zebrafish model by autophagy induction’, Brain, Volume 140, Issue 4, 1 April 2017, Pages 1128–1146

‘A specific pattern of gray matter atrophy in Alzheimer’s disease with depression’, J Neurol (2017) 264:2101–2109

‘Cognition and driving behavior in neurodegenerative disorders’ Frontiers, Aug 2016

‘Psychosocial support and cognitive deficits in adults with schizophrenia’, Int J Soc Psychiatry published online 3 July 2013

‘Diffusion tensor imaging (DTI) in the detection of white matter lesions in patients with mild cognitive impairment (MCI)’, Acta Neurol Belgium, 2013 Apr 30

‘Big 5 Personality Changes in Greek bvFTD, AD, and MCI Patients’, Alzheimer Dis Assoc Disord. 2012 Oct 10

‘Perfusion SPECT studies with mapping of Brodmann areas in differentiating Alzheimer’s disease from frontotemporal degeneration syndromes’, Nucl Med Commun. 2012 Dec; 33(12):1267-76

‘Frontotemporal degeneration’, Continuum, Dementia, April 2010, AAN, Volume 16,   Issue 2

‘Difficulties in Detecting Behavioral Symptoms of Frontotemporal Lobar Degeneration Across Cultures’, Alzheimer’s Disease and Related Disorders, 2009 Jan-Mar;23(1):77-81

‘A novel CADASIL-causing mutation in a stroke patient’, Swiss Med WKLY 2007; 137:323–325

Book chapter (Greek) ‘Internal Medicine’, University of Athens, Medical School, Editor prof. S.Hatzigiannis, 2000

Psychiatrist, PhD - Scientific Director

John Papatriantafyllou

Ioannis Papatriantafyllou earned his Medical Degree from the University of Athens in 1984 and completed his specialization in Psychiatry in 1993. He holds a PhD from the University of Athens.

About

He has received training in Cognitive and Systemic Psychotherapy and completed postdoctoral training at the Memory and Aging Center, UCSF (University of California, San Francisco).

He has served as Scientific Director of the IASIS Center for the Elderly (European Program “Health–Welfare” 2000–06) since 2008, and as a psychiatrist in two residential care facilities for individuals with psychiatric disorders.
He is also Head of the Memory Disorders Clinic at the Athens Medical Center and has maintained a private practicefor over 25 years.

Since 2022, he has been a Scientific Associate of the 1st Department of Neurology at the Aiginiteio Hospital of the University of Athens.

He has published numerous papers in scientific journals, participated in research programs and clinical trials, and has been invited as a speaker at international conferences and educational programs.

His research interests focus on neuropsychiatric syndromes, dementia, and the cognitive and functional rehabilitation of these conditions.

He is a member of several international scientific associations (AAN, ANA, APA) and currently serves as President of the Hellenic Dementia Society.

Education

Medical School, University of Athens
Specialization: Psychiatry
Doctoral Dissertation: University of Athens Medical School
Postdoctoral Training: Memory & Aging Center, UCSF, USA

Selected Publications

‘Clinicopathological characterization of vacuolar tauopathy associated with VCP D395G’ Alzheimer s Dement. 2025 Jul;21(7)
‘Development of a Specialized Telemedicine Protocol for Cognitive Disorders: The TeleCogNition Project in Greece’, Geriatrics 2025, 10(4), 94
‘The Greek Version of the Mild Behavioral Impairment Checklist (MBI-C): Psychometric Properties in Mild Cognitive Impairment Due to Alzheimer's Disease’, Brain Sci. 2025 Apr 27;15(5):462
‘APOE Allele Frequency in Southern Greece: Exploring the Role of Geographical Gradient in the Greek Population’, Geriatrics (Basel). 2022 Dec 20;8(1):1
‘The Assessment of the Socioemotional Disorder in Neurodegenerative Diseases with the Revised Self-Monitoring Scale (RSMS)’, J Clin Med. 2022 Dec 12;11(24):7375
‘Non-Pharmacological Interventions for the Appetite and Eating Disorders in Patients with Dementia: A Cross-Over RCT’, Genesis-ACMR-3(4)-39
‘Assess of Combinations of Non-Pharmacological Interventions for the Reduction of Irritability in Patients with Dementia and their Caregivers: A Cross-Over RCT’, Brain Sci. 2022 May 26;12(6):691
‘Anosognosia in Dementia: Evaluation of Perfusion Correlates Using 99mTc-HMPAO SPECT and Automated Brodmann Areas Analysis’, Diagnostics (Basel). 2022 May 4;12(5):1136
‘Non-Pharmacological Interventions for Wandering/Aberrant Motor Behaviour in Patients with Dementia’, Brain Sci. 2022 Jan 19;12(2):130
‘Alzheimer's disease research progress in the Mediterranean region: The Alzheimer's Association International Conference Satellite Symposium’, Alzheimers Dement. 2022 Feb 20
‘Correlation of Neuropsychiatric Symptoms in Dementia with Brain Perfusion: A 99mTc-SPECT-HMPAO Study with Brodmann Areas Analysis’, Curr Alzheimer Res. 2021;18(12):970-983
‘Effect of Apolipoprotein E4 on the Driving Behavior of Patients with Amnestic Mild Cognitive Impairment or Mild Alzheimer's Disease Dementia’, J Alzheimers Dis. 2021;84(3):1005-1014
‘TARDBP p.I383V, a recurrent alteration in Greek FTD patients’ J Neurol Sci. 2021 Sep 15;428:117566
‘Eating Disorders in Frontotemporal Dementia and Alzheimer's Disease: Evaluation of Brain Perfusion Correlates Using 99mTc-HMPAO SPECT with Brodmann Areas Analysis’, J Alzheimers Dis. 2021;80(4):1657-1667
Autosomal dominant VCP hypomorph mutation impairs disaggregation of PHF-tau, Science 20 Nov 2020: Vol. 370, Issue 6519
‘The impact of COVID‐19 pandemic on people with mild cognitive impairment/dementia and on their caregivers’, Gen. Psychiatry, 1 NOV. 2020
‘Biomarker-based diagnosis of cognitive disorders in a case series’, Neuroimmunology and Neuroinflammation, 2020;7
‘Age at symptom onset and death and disease duration in genetic frontotemporal dementia: an international retrospective cohort study,’ Lancet Neurology, Dec 2019
‘The neural correlates of impaired self-monitoring among individuals with neurodegenerative dementias’, Journal of Neuropsychiatry and Clinical Neurosciences, 2019
‘Frontotemporal dementia spectrum: first genetic screen in a Greek cohort’, Neurobiol Aging. 2018 Nov 3., S0197-4580(18)30393-2
‘Defining Neuropsychiatric Inventory scale differences across frontotemporal dementia syndromes’, Psychogeriatrics, 2-8-18
‘Bilingualism in a Case of the Non-fluent/agrammatic Variant of Primary Progressive Aphasia’, Frontiers in Communication, 27 November 2018
‘Further Training, Educational Needs and Work Challenges of Mental Health Nurses in Greece before the Completion of the Psychiatric Reform’, Journal of Psychiatry and Mental Health, Volume 3 – Is. 2
‘A152T tau allele causes neurodegeneration that can be ameliorated in a zebrafish model by autophagy induction’, Brain, Volume 140, Issue 4, 1 April 2017, Pages 1128–1146
‘A specific pattern of gray matter atrophy in Alzheimer’s disease with depression’, J Neurol (2017) 264:2101–2109
‘Cognition and driving behavior in neurodegenerative disorders’ Frontiers, Aug 2016
‘Psychosocial support and cognitive deficits in adults with schizophrenia’, Int J Soc Psychiatry published online 3 July 2013
‘Diffusion tensor imaging (DTI) in the detection of white matter lesions in patients with mild cognitive impairment (MCI)’, Acta Neurol Belgium, 2013 Apr 30
‘Big 5 Personality Changes in Greek bvFTD, AD, and MCI Patients’, Alzheimer Dis Assoc Disord. 2012 Oct 10
‘Perfusion SPECT studies with mapping of Brodmann areas in differentiating Alzheimer's disease from frontotemporal degeneration syndromes’, Nucl Med Commun. 2012 Dec; 33(12):1267-76
‘Frontotemporal degeneration’, Continuum, Dementia, April 2010, AAN, Volume 16,   Issue 2
‘Difficulties in Detecting Behavioral Symptoms of Frontotemporal Lobar Degeneration Across Cultures’, Alzheimer’s Disease and Related Disorders, 2009 Jan-Mar;23(1):77-81
‘A novel CADASIL-causing mutation in a stroke patient’, Swiss Med WKLY 2007; 137:323–325
Book chapter (Greek) ‘Internal Medicine’, University of Athens, Medical School, Editor prof. S.Hatzigiannis, 2000