Willem Verhoeven

Research output

Research output per year 1999 2000 2002 2006 2007 2012 2021

• 1585 Citations
• 136 Article
• 43 Chapter
• 1 Book editing
• 1 Comment/Letter to the editor

Research output per year

Research output per year

Search results

• 2020

  A de novo CTNNB1 Novel Splice Variant in an Adult Female with Severe Intellectual Disability

  Verhoeven, W., Egger, JIM., Jongbloed, RE., van Putten, MM., de Bruijn-van Zandwijk, M., Zwemer, AS., Pfundt, R. & Willemsen, MH., 2020, In: International Medical Case Reports Journal. 13, p. 487-492 6 p.

  Research output: Contribution to journal › Article › Academic

  Open Access

  File
  2 Citations (Scopus)

  1 Downloads (Pure)

• Adult male patient with severe intellectual disability caused by a homozygous mutation in the HNMT gene

  Verhoeven, W., Egger, JIM., Janssen, PKC. & van Haeringen, A., 2020, In: BMJ Case Reports. 13, 12, 235972.

  Research output: Contribution to journal › Article › Academic

  Open Access
  2 Citations (Scopus)

• A longitudinal perspective on the pharmacotherapy of 24 adult patients with Phelan McDermid syndrome

  Verhoeven, W., Egger, JIM. & de Leeuw, N., 2020, In: European Journal of Medical Genetics. 63, 3, 103751.

  Research output: Contribution to journal › Article › Academic › peer-review
  9 Citations (Scopus)

• Neurosyphilis mimicking autoimmune encephalitis: A case report and review of the literature

  Ouwens, I., Fiolet, ATL., Thijs, RD., Koehler, PJJ. & Verhoeven, W., 2020, In: Clinical Neuropsychiatry. 17, 3, p. 175-180 6 p.

  Research output: Contribution to journal › Article › Academic

  Open Access

  File
• 2019

  A novel MBD5 mutation in an intellectually disabled adult female patient with epilepsy: Suggestive of early onset dementia?

  Verhoeven, W., Egger, J., Kipp, J., de Wiel, JVA., Ockeloen, C., Kleefstra, T. & Pfundt, R., 2019, In: Molecular genetics & genomic medicine. UNSP e849.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  5 Citations (Scopus)

  1 Downloads (Pure)

• CLINICAL PRESENTATION OF LABORATORY CONFIRMED NEUROSYPHILIS IN A RECENT CASES SERIES

  Ouwens, M., Ott, A., Fiolet, A., Koehler, PJ., Vos, M., Oldhoff, JM. & Verhoeven, W., 2019, In: Clinical Neuropsychiatry. 16, 1, p. 17-24 8 p.

  Research output: Contribution to journal › Article › Academic
  1 Citation (Scopus)
• 2018

  Phenotypic characterization of an older adult male with late-onset epilepsy and a novel mutation in ASXL3 shows overlap with the associated Bainbridge-Ropers syndrome

  Verhoeven, W., Egger, J., Rakers, E., van Erkelens, A., Pfundt, R. & Willemsen, MH., 2018, In: Neuropsychiatric Disease and Treatment. 14, p. 867-870 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  4 Citations (Scopus)

• RELEVANCE OF DELETION BREAKPOINT SPECIFICATION IN 22q11.2 DELETION SYNDROME: CLINICAL MANAGEMENT OF THREE ILLUSTRATIVE PATIENTS

  Verhoeven, W., Egger, JIM. & de Leeuw, N., 2018, In: Clinical Neuropsychiatry. 15, 5, p. 306-310 5 p.

  Research output: Contribution to journal › Article › Academic
• 2017

  Drie patiënten met langdurig onopgehelderde psychiatrische klachten waarbij genetische diagnostiek uitkomst bracht

  Verhoeven, W., Egger, JIM., Kleefstra, T. & de Leeuw, N., 2017, In: Tijdschrift voor Psychiatrie. 59, 7, p. 433-437 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review

• Malaria Fever Therapy for General Paralysis of the Insane: A Historical Cohort Study

  Ouwens, M., Lens, CE., Fiolet, ATL., Ott, A., Koehler, PJ., Kager, PA. & Verhoeven, W., 2017, In: European Neurology. 78, 1-2, p. 56-62 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  5 Citations (Scopus)

• Phelan-McDermid syndrome due to SHANK3 mutation in an intellectually disabled adult male: successful treatment with lithium

  Egger, JIM., Verhoeven, W., Groenendijk-Reijenga, R. & Kant, SG., 2017, In: BMJ Case Reports.

  Research output: Contribution to journal › Article › Academic
  22 Citations (Scopus)

• TREATMENT CONTINGENT UPON ETIOLOGY: TWO ADULT FEMALE PATIENTS WITH MILD INTELLECTUAL DISABILITY AND A CAUSATIVE COPY NUMBER VARIATION

  Verhoeven, W., Egger, JIM., de Leeuw, N. & Kleefstra, T., 2017, In: Clinical Neuropsychiatry. 14, 2, p. 135-140 6 p.

  Research output: Contribution to journal › Article › Academic
• 2016

  Absence epilepsy and the CHD2 gene: an adolescent male with moderate intellectual disability, short-lasting psychoses, and an interstitial deletion in 15q26.1-q26.2

  Verhoeven, W., Egger, JIM., Knegt, AC., Zuydam, J. & Kleefstra, T., 2016, In: Neuropsychiatric Disease and Treatment. 12, p. 1135-1139 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  11 Citations (Scopus)

  1 Downloads (Pure)

• Cycloid psychoses in the psychosis spectrum: evidence for biochemical differences with schizophrenia

  Kerkhof, N., Fekkes, D., van der Heijden, FMMA., Hoogendijk, W., Stober, G., Egger, JIM. & Verhoeven, W., 2016, In: Neuropsychiatric Disease and Treatment. 12, p. 1927-1933 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  11 Citations (Scopus)

• Neuropsychological phenotype and psychopathology in seven adult patients with Phelan-McDermid syndrome: implications for treatment strategy

  Egger, JIM., Zwanenburg, RJ., van Ravenswaaij-Arts, CMA., Kleefstra, T. & Verhoeven, W., 2016, In: Genes Brain and Behavior. 15, 4, p. 395-404 10 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  25 Citations (Scopus)
• 2015

  A 12Q24.31 Interstitial Deletion in an Adult Male With MODY3: Neuropsychiatric and Neuropsychological Characteristics

  Verhoeven, W., Egger, JIM., van den Bergh, JPW., van Beek, R., Kleefstra, T. & de Leeuw, N., 2015, In: American Journal of Medical Genetics Part A. 167, 1, p. 169-173 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  7 Citations (Scopus)

• Atypical Antipsychotics and Relapsing Psychoses in 22q11.2 Deletion Syndrome: A Long-term Evaluation of 28 Patients

  Verhoeven, W. & Egger, JIM., 2015, In: Pharmacopsychiatry. 48, 3, p. 104-110 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  18 Citations (Scopus)

• Clinical Presentation of General Paralysis of the Insane in a Dutch Psychiatric Hospital, 1924-1954

  Ouwens, I., Lens, CE., Fiolet, ATL., Ott, A., Koehler, PJ. & Verhoeven, W., 2015, In: European Neurology. 74, 1-2, p. 54-59 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  3 Citations (Scopus)

• Glycosylated hemoglobin as a screening test for hyperglycemia in antipsychotic-treated patients: a follow-up study

  Steylen, PMJ., van der Heijden, FMMA., Hoogendijk, W. & Verhoeven, W., 2015, In: Diabetes, Metabolic Syndrome and Obesity. 8, p. 57-63 7 p.

  Research output: Contribution to journal › Article › Academic

  Open Access

  File
  8 Citations (Scopus)

  1 Downloads (Pure)

• Relationship between Plasma Homovanillic Acid and Outcome in Patients with Psychosis Spectrum Disorders

  Kerkhof, N., Fekkes, D., van der Heijden, FMMA., Egger, JIM. & Verhoeven, W., 2015, In: Neuropsychobiology. 71, 4, p. 212-217 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  5 Citations (Scopus)
• 2014

  BDNF and S100B in psychotic disorders: evidence for an association with treatment responsiveness

  Kerkhof, N., Fekkes, D., van der Heijden, FMMA. & Verhoeven, W., 2014, In: Acta Neuropsychiatrica. 26, 4, p. 223-229 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  3 Citations (Scopus)

• Beta-propeller protein-associated neurodegeneration (BPAN), a rare form of NBIA: Novel mutations and neuropsychiatric phenotype in three adult patients

  Verhoeven, W., Egger, JIM., Koolen, DA., Yntema, H., Olgiati, S., Breedveld, G., Bonifati, V. & van de Warrenburg, BPC., 2014, In: Parkinsonism & Related Disorders. 20, 3, p. 332-336 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  31 Citations (Scopus)

• Neuropsychological phenotype of a patient with a de novo 970 kb interstitial deletion in the distal 16p11.2 region

  Egger, JIM., Verhoeven, W., Verbeeck, W. & de Leeuw, N., 2014, In: Neuropsychiatric Disease and Treatment. 10, p. 513-517 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  7 Citations (Scopus)
• 2013

  Behavioural phenotype of a patient with a de novo 1.2 Mb chromosome 4q25 microdeletion

  Verhoeven, W., Egger, JIM., Goffin, LAA., van Zutven, L. & Verheijen - Mancini, G., 2013, In: European Journal of Medical Genetics. 56, p. 331-335 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  2 Citations (Scopus)

• Hypersociability in the behavioral phenotype of 17q21.31 microdeletion syndrome

  Egger, JIM., Wingbermuhle, E., Verhoeven, W., Dijkman, M., Radke, S., de Bruijn, ERA., de Vries, B., Kessels, RPC. & Koolen, DA., 2013, In: American Journal of Medical Genetics Part A. 161A, 1, p. 21-26 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  16 Citations (Scopus)

• Kallmann syndrome and paranoid schizophrenia:

  Verhoeven, W., Egger, JIM., Hovens, JE. & Hoefsloot, L., 16 Jan 2013, In: BMJ Case Reports.

  Research output: Contribution to journal › Article › Academic
  8 Citations (Scopus)

• Neuropsychiatric Adverse Events of Varenicline A Systematic Review of Published Reports

  Ahmed, AIA., Ali, ANA., Kramers, C., Harmark, LVD., Burger, DM. & Verhoeven, W., 2013, In: Journal of Clinical Psychopharmacology. 33, 1, p. 55-62 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  30 Citations (Scopus)

• Phelan-McDermid syndrome: Clinical report of a 70-year-old woman

  Verhoeven, W., Egger, JIM., Cohen-Snuijf, R., Kant, SG. & de Leeuw, N., 2013, In: American Journal of Medical Genetics Part A. 161A, 1, p. 158-161 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  25 Citations (Scopus)

• Topklinische neuropsychiatrie: een succesvolle interdisciplinaire benadering

  Verhoeven, W., Egger, JIM., Wingerbermuhle, EAM. & Schneider, MKF., 2013, In: Tijdschrift voor Psychiatrie. 55, p. 733-742 10 p.

  Research output: Contribution to journal › Article › Professional › peer-review

  2 Citations (Scopus)
• 2012

  A de novo 3.57 Mb microdeletion in 8q12.3q13.2 in a patient with mild intellectual disability and epilepsy

  Verhoeven, W., Egger, JIM., Feenstra, I. & de Leeuw, N., 2012, In: European Journal of Medical Genetics. 55, 5, p. 358-361 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  4 Citations (Scopus)

• Affective functioning and social cognition in Noonan syndrome

  Wingbermuhle, E., Egger, JIM., Verhoeven, W., van der Burgt, I. & Kessels, RPC., 2012, In: Psychological Medicine. 42, 2, p. 419-426 8 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  23 Citations (Scopus)

• Cerebellar Cognitive Affective Syndrome and Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay: A Report of Two Male Sibs

  Verhoeven, W., Egger, JIM., Ahmed, AIM., Kremer, BPH., Vermeer, SE. & van de Warrenburg, BPC., 2012, In: Psychopathology. 45, 3, p. 193-199 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  14 Citations (Scopus)

• Cognitive functioning of adults with Noonan syndrome: a case-control study

  Wingbermuhle, E., Roelofs, RL., van der Burgt, I., Souren, PM., Verhoeven, W., Kessels, RPC. & Egger, JIM., 2012, In: Genes Brain and Behavior. 11, 7, p. 785-793 9 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  22 Citations (Scopus)

• Copy number variants in a sample of patients with psychotic disorders: is standard screening relevant for actual clinical practice?

  Kerkhof, N., Feenstra, I., van der Heijden, FMMA., de Leeuw, N., Pfundt, R., Stober, G., Egger, JIM. & Verhoeven, W., 2012, In: Neuropsychiatric Disease and Treatment. 8, p. 295-300 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  1 Citation (Scopus)

  2 Downloads (Pure)

• Cycloid psychoses: Leonhard's descriptions revisited

  Kerkhof, N., van der Heijden, FMMA., Schneider, MKF., Pfuhlmann, B., Stober, G., Egger, JIM. & Verhoeven, W., 2012, In: European Journal of Psychiatry. 26, 4, p. 266-278 13 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  4 Citations (Scopus)

• Metabolic syndrome in relation to psychotropic polypharmacy

  Steylen, PMJ., van der Heijden, FMMA., Kok, HDH., Sijben, NAS. & Verhoeven, W., 2012, In: Clinical Neuropsychiatry. 9, 2, p. 75-83 9 p.

  Research output: Contribution to journal › Article › Academic

  2 Citations (Scopus)

• Neuropsychologische kenmerken van het Noonansyndroom

  Wingbermühle, E., Egger, JIM., Verhoeven, W. & van der Burgt, I., 2012, In: NeuroPraxis. 16, 2, p. 46-52 7 p.

  Research output: Contribution to journal › Article › Professional

• Phelan-McDermid syndrome in two adult brothers: atypical bipolar disorder as its psychopathological phenotype?

  Verhoeven, W., Egger, JIM., Willemsen, MH., de Leijer, GJM. & Kleefstra, T., 2012, In: Neuropsychiatric Disease and Treatment. 8, p. 175-179 5 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  41 Citations (Scopus)

  1 Downloads (Pure)

• The neurocognition of alexithymia: evidence from neuropsychological and neuroimaging studies

  Wingbermuhle, E., Theunissen, H., Verhoeven, W., Kessels, RPC. & Egger, JIM., 2012, In: Acta Neuropsychiatrica. 24, 2, p. 67-80 14 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  49 Citations (Scopus)

• X-LINKED AARSKOG SYNDROME: REPORT ON A NOVEL FGD1 GENE MUTATION. EXECUTIVE DYSFUNCTION AS PART OF THE BEHAVIOURAL PHENOTYPE

  Verhoeven, W., Egger, JIM. & Hoogeboom, J., 2012, In: Genetic Counseling. 23, 2, p. 157-167 11 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  8 Citations (Scopus)
• 2011

  A Patient With a De Novo Distal 22q11.2 Microdeletion and Anxiety Disorder

  Verhoeven, W., Egger, JIM., Brunner, H. & de Leeuw, N., 2011, In: American Journal of Medical Genetics Part A. 155A, 2, p. 392-397 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  17 Citations (Scopus)

• Effects of Long-Acting Methylphenidate in Adults with Attention Deficit Hyperactivity Disorder: A Study with Paired-Pulse Transcranial Magnetic Stimulation

  Schneider, MKF., Retz, W., Gougleris, G., Verhoeven, W., Tulen, J. & Rosler, M., 2011, In: Neuropsychobiology. 64, 4, p. 195-201 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  7 Citations (Scopus)

• Genetic disorders and the autism spectrum

  Verhoeven, W., Egger, JIM. & Feenstra, I., 2011, In: Clinical Neuropsychiatry. 8, p. 219-224 6 p.

  Research output: Contribution to journal › Article › Academic

  4 Citations (Scopus)

• Kleefstra Syndrome in Three Adult Patients: Further Delineation of the Behavioral and Neurological Phenotype Shows Aspects of a Neurodegenerative Course

  Verhoeven, W., Egger, JIM., Vermeulen, K., van de Warrenburg, BPC. & Kleefstra, T., 2011, In: American Journal of Medical Genetics Part A. 155A, 10, p. 2409-2415 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  36 Citations (Scopus)

• Manganese and acute paranoid psychosis: a case report

  Verhoeven, W., Egger, JIM. & Kuipers, HJ., 2011, In: Journal of Medical Case Reports. 5, p. 146

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  18 Citations (Scopus)

  1 Downloads (Pure)

• Psychomotor psychoses : The enigmatic catatonic phenotype

  Verhoeven, W., van der Heijden, FMMA., Pfuhlmann, B. & Stober, G., 2011, In: European Psychiatric Review. 4, p. 78-83 6 p.

  Research output: Contribution to journal › Article › Academic

• Recurrent major depression, ataxia, and cardiomyopathy: association with a novel POLG mutation?

  Verhoeven, W., Egger, JIM., Kremer, BPH., de Pont, BJHB. & Marcelis, CLM., 2011, In: Neuropsychiatric Disease and Treatment. 7, p. 293-296 4 p.

  Research output: Contribution to journal › Article › Academic › peer-review

  Open Access

  File
  12 Citations (Scopus)

  1 Downloads (Pure)
• 2010

  An adult female patient with ring chromosome 21: behavioural phenotype and results of high-resolution molecular characterisation

  Verhoeven, W., van Bon, B., Egger, JIM., Hoischen, A. & Doelman, JC., 2010, In: Acta Neuropsychiatrica. 22, 4, p. 188-194 7 p.

  Research output: Contribution to journal › Article › Academic › peer-review

• Behavioral Phenotype in the 9q Subtelomeric Deletion Syndrome: A Report About Two Adult Patients

  Verhoeven, W., Kleefstra, T. & Egger, JIM., 2010, In: American Journal of Medical Genetics Part B-Neuropsychiatric Genetics. 153B, 2, p. 536-541 6 p.

  Research output: Contribution to journal › Article › Academic › peer-review
  21 Citations (Scopus)

• Neuropsychiatrie: conceptuele opvattingen en huidige praktijk in een Topklinische Centrum

  Verhoeven, W. & Egger, JIM., 2010, In: NeuroPraxis. 3, p. 64-71 8 p.

  Research output: Contribution to journal › Article › Professional