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Home: Community: Researcher Profiles
Researcher Profile

RESEARCHER INFORMATION
First Name:Ralf
Last Name:Ihl
Title:Prof. Dr.
Affiliation:Alexian Hospital
Department:Geriatric Psychiatry
Street Address 1:Oberdiessemer Str. 136
City:Krefeld
State/Province:NRW
Zip/Postal Code:D-47805
Country/Territory:Germany
Phone:2151347904
Fax:2151347901
Email Address: 
Disclosure:
(view policy) 
Member reports the following financial or other potential conflicts of interest: [Last Modified: 28 November 2008]

2005-2008

Funding
Research support:Deutsche Alzheimer Stiftung, Kompetenznetz Demenzen des Bundesministeriums für Bildung und Forschung;
Employment
Alexian Hospital, Krefeld;Consulting and Advisory boards honoraria:Dendrite, GE Healthcare, Gerson Lehrman Group, IFE, Infobüro, Merz, rapidata, Synthon BV; Speakers honoraria:
Austroplant, Barmer Ersatzkasse, Eisai, Institut für Kirche und Gesellschaft, Knappschaftskrankenhaus Recklinghausen, LV Rheinland, Lebenswerk, Lundbeck, Merz, Novartis, Schwabe, Stadt Dortmund, Caritas Akademie, Universität Bonn, Universität Bochum;Royalties:
Beltz Test, BOD, Hogrefe, Med. Komm., Thieme, Urban & Vogel, Westermayer
Personal financial interests: None

View all comments by Ralf Ihl
Clinical Interests:
Alzheimer Disease, Aging Process
Research Focus:
Diagnosis, Clinical trials
Work Sector(s):
Medical hospital
Web Sites:
Professional: www.alexianer.de
Researcher Bio
Academic Background

Year Degree Place
1983 Diploma in Psychology U Mainz
1985 Licensure U Mainz
1986 Medical doctor U Wuerzburg
1991 Doctor of Neuropsychiatry Bayerische Landesärztekammer
1997 Priv.-Doc. U Duesseldorf
2002 Professor of PsychiatryU Duesseldorf

Professional Experience

1983 – 1993 Department of Psychiatry, University of Wuerzburg, Psychiatrist
1993 - 2005 Department of Psychiatry, University of Duesseldorf, Head of the Laboratory of Neurophysiology and Psychophysiology
Vice-chair of the Department of Geriatric Psychiatry
2005 – present Alexian Hospital Cologne, head of department
2007 - present Alexian Hospital Krefeld, head of department

Professional Society Memberships

Board Memberships

Since 1988 International Society for Neuroimaging in Psychiatry Board of directors (Secretary and founding member)
10/1992-11/1997 German Alzheimer Association
Vice-president and founding member
Since 1998 German Brain League Board of directors (Secretary)
Since 2004 European Association of Geriatric Psychiatry President
Top Papers
Ihl R, Frölich L, Dierks T, Martin EM, Maurer K. Differential validity of psychometric tests in dementia of the Alzheimer type. Psychiatry Res. 1992 Nov;44(2):93-106. PMID: 1480682
Ihl R, Dierks T, Martin EM, Froölich L, Maurer K.Topography of the maximum of the amplitude of EEG frequency bands in dementia of the Alzheimer type. Biol Psychiatry. 1996 Mar 1;39(5):319-25.
PMID: 8704062
Prior R, D'Urso D, Frank R, Prikulis I, Cleven S, Ihl R, Pavlakovic G.Selective binding of soluble Abeta1-40 and Abeta1-42 to a subset of senile plaques. Am J Pathol. 1996 Jun;148(6):1749-56. PMID: 8669461
Ihl R, Brinkmeyer J. Differential diagnosis of aging, dementia of the Alzheimer type and depression with EEG-segmentation. Dement Geriatr Cogn Disord. 1999 Mar-Apr;10(2):64-9. PMID: 10026377
Ihl R, Grass-Kapanke B, Jänner M, Weyer G. Neuropsychometric tests in cross sectional and longitudinal studies - a regression analysis of ADAS - cog, SKT and MMSE. Pharmacopsychiatry. 1999 Nov;32(6):248-54. PMID: 10599935
Streit M, Wölwer W, Brinkmeyer J, Ihl R, Gaebel W.Electrophysiological correlates of emotional and structural face processing in humans. Neurosci Lett. 2000 Jan 7;278(1-2):13-6. PMID: 10643789
Ihl R, Brinkmeyer J, Jänner M, Kerdar MS.
A comparison of ADAS and EEG in the discrimination of patients with dementia of the Alzheimer type from healthy controls. Neuropsychobiology. 2000 Jan;41(2):102-7. PMID: 10644931
Streit M, Wölwer W, Brinkmeyer J, Ihl R, Gaebel W. EEG-correlates of facial affect recognition and categorisation of blurred faces in schizophrenic patients and healthy volunteers.
Schizophr Res. 2001 Apr 15;49(1-2):145-55. PMID: 11343873
Brinkmeyer J, Grass-Kapanke B, Ihl R.EEG and the Test for the Early Detection of Dementia with Discrimination from Depression (TE4D): a validation study.Int J Geriatr Psychiatry. 2004 Aug;19(8):749-53.PMID: 15290698
Mesbah M, Grass-Kapanke B, Ihl R.Treatment Target Test Dementia (3TD) (c). Int J Geriatr Psychiatry. 2008 Dec;23(12):1239-44. PMID: 18537199










What is the greatest void to date in our knowledge of Alzheimer's Disease?
To insist on the amyloid hypothesis.
What are the top three papers (not yours) you have read recently?
Ginkgo biloba for prevention of dementia: a randomized controlled trial. DeKosky ST, Williamson JD, Fitzpatrick AL, Kronmal RA, Ives DG, Saxton JA, Lopez OL, Burke G, Carlson MC, Fried LP, Kuller LH, Robbins JA, Tracy RP, Woolard NF, Dunn L, Snitz BE, Nahin RL, Furberg CD; Ginkgo Evaluation of Memory (GEM) Study Investigators. JAMA. 2008 Nov 19;300(19):2253-62.
PMID: 19017911
If resources were not limited, what research projects would you pursue?
Investigate the cause of cell death in Alzheimers. Improve the drug treamtent of neuropsychiatric symptoms. Optimize the mehtodology of non-pharamceutical treatment studies.
What is your leading hypothesis?
A metabolic defect causes Alzheimers.
What piece of missing evidence would help prove it?
Find the starting point.
What is your fallback position?
Will depend on what is falsified.

Desperately

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