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Simultanagnosia

MedGen UID:: 415993
•Concept ID:: C2827429
•: Finding

Synonym:	simultanagnosia

Monarch Initiative:	MONDO:0000678

Definition

A symptom describing the inability to comprehend more than one element of a visual picture at a given moment, or to integrate the whole visual picture. [from NCI]

Term Hierarchy

GTR
MeSH

CClinical test, RResearch test, OOMIM, GGeneReviews, VClinVar

CROGVSimultanagnosia

Pathological Conditions, Signs and Symptoms
- Clinical finding
  - Finding by Site or System
    - Finding of head and neck region
      - Eye and Ear Finding
        Eye / vision finding
        Simultanagnosia

Recent clinical studies

Etiology

The Visual Agnosias and Related Disorders.

Haque S, Vaphiades MS, Lueck CJ
J Neuroophthalmol 2018 Sep;38(3):379-392. doi: 10.1097/WNO.0000000000000556. PMID: 28945627

Neuro-cognitive mechanisms of simultanagnosia in patients with posterior cortical atrophy.

Neitzel J, Ortner M, Haupt M, Redel P, Grimmer T, Yakushev I, Drzezga A, Bublak P, Preul C, Sorg C, Finke K
Brain 2016 Dec;139(Pt 12):3267-3280. Epub 2016 Oct 3 doi: 10.1093/brain/aww235. PMID: 27702740

Abnormal center-periphery gradient in spatial attention in simultanagnosia.

Balslev D, Odoj B, Rennig J, Karnath HO
J Cogn Neurosci 2014 Dec;26(12):2778-88. Epub 2014 Jun 4 doi: 10.1162/jocn_a_00666. PMID: 24893736

The neural underpinings of simultanagnosia: disconnecting the visuospatial attention network.

Chechlacz M, Rotshtein P, Hansen PC, Riddoch JM, Deb S, Humphreys GW
J Cogn Neurosci 2012 Mar;24(3):718-35. Epub 2011 Nov 8 doi: 10.1162/jocn_a_00159. PMID: 22066584

Simultanagnosia as the initial sign of degenerative dementia.

Graff-Radford NR, Bolling JP, Earnest F 4th, Shuster EA, Caselli RJ, Brazis PW
Mayo Clin Proc 1993 Oct;68(10):955-64. doi: 10.1016/s0025-6196(12)62267-8. PMID: 8412361

See all (24)

Diagnosis

Bilateral parietal dysfunctions and disconnections in simultanagnosia and Bálint syndrome.

Chechlacz M
Handb Clin Neurol 2018;151:249-267. doi: 10.1016/B978-0-444-63622-5.00012-7. PMID: 29519461

The Visual Agnosias and Related Disorders.

Haque S, Vaphiades MS, Lueck CJ
J Neuroophthalmol 2018 Sep;38(3):379-392. doi: 10.1097/WNO.0000000000000556. PMID: 28945627

Simultanagnosia.

Carota A, Calabrese P
Eur Neurol 2011;66(1):6. Epub 2011 Jun 1 doi: 10.1159/000328022. PMID: 21646784

Deficits in cortical visual function.

Stasheff SF, Barton JJ
Ophthalmol Clin North Am 2001 Mar;14(1):217-42, x. PMID: 11370568

Simultanagnosia as the initial sign of degenerative dementia.

Graff-Radford NR, Bolling JP, Earnest F 4th, Shuster EA, Caselli RJ, Brazis PW
Mayo Clin Proc 1993 Oct;68(10):955-64. doi: 10.1016/s0025-6196(12)62267-8. PMID: 8412361

See all (57)

Therapy

Clinical Reasoning: An 80-Year-Old Woman With a Homonymous Hemianopsia.

Tajfirouz D, Chen JJ, Bhatti MT
Neurology 2022 Oct 18;99(16):713-717. Epub 2022 Aug 29 doi: 10.1212/WNL.0000000000201175. PMID: 36038269

Seen by a Glance, But Not by a Stare-A Case Study of a Patient With Simultanagnosia.

Morihara K, Higashiyama Y, Asano S, Matsunaga Y, Takahashi K, Miyake R, Tanaka K, Joki H, Doi H, Takeuchi H, Tanaka F
Arch Clin Neuropsychol 2022 May 16;37(4):865-871. doi: 10.1093/arclin/acab088. PMID: 34664637

Three-systems for visual numerosity: A single case study.

Anobile G, Tomaiuolo F, Campana S, Cicchini GM
Neuropsychologia 2020 Jan;136:107259. Epub 2019 Nov 11 doi: 10.1016/j.neuropsychologia.2019.107259. PMID: 31726066

Enabling global processing in simultanagnosia by psychophysical biasing of visual pathways.

Thomas C, Kveraga K, Huberle E, Karnath HO, Bar M
Brain 2012 May;135(Pt 5):1578-85. Epub 2012 Mar 14 doi: 10.1093/brain/aws066. PMID: 22418740 Free PMC Article

Simultanagnosia: a defect of sustained attention yields insights on visual information processing.

Rizzo M, Robin DA
Neurology 1990 Mar;40(3 Pt 1):447-55. doi: 10.1212/wnl.40.3_part_1.447. PMID: 2314587

See all (10)

Prognosis

18F-FDG PET/CT in the Diagnosis and Follow-up of Balint Syndrome.

Dondi F, Albano D, Paghera B, Bertagna F, Giubbini R
Clin Nucl Med 2021 Feb 1;46(2):e90-e93. doi: 10.1097/RLU.0000000000003335. PMID: 33065619

Asymmetric oculomotor apraxia, optic ataxia, and simultanagnosia with right hemispatial neglect from a predominantly left-sided lesion of the parieto-occipital area.

Sakurai Y, Fujimoto M, Hamada K, Sugimoto I
Cogn Neuropsychiatry 2018 Jan;23(1):1-14. Epub 2017 Dec 2 doi: 10.1080/13546805.2017.1407304. PMID: 29199507

Neuro-cognitive mechanisms of simultanagnosia in patients with posterior cortical atrophy.

Abnormal center-periphery gradient in spatial attention in simultanagnosia.

Balslev D, Odoj B, Rennig J, Karnath HO
J Cogn Neurosci 2014 Dec;26(12):2778-88. Epub 2014 Jun 4 doi: 10.1162/jocn_a_00666. PMID: 24893736

'Bálint's syndrome' and associated visuospatial disorders.

Rizzo M
Baillieres Clin Neurol 1993 Aug;2(2):415-37. PMID: 8137007

See all (13)

Clinical prediction guides

Brain structural and functional anomalies associated with simultanagnosia in patients with posterior cortical atrophy.

Cui Y, Liu Y, Yang C, Cui C, Jing D, Zhang X, Chen Y, Li B, Liang Z, Chen K, Zhang Z, Wu L
Brain Imaging Behav 2022 Jun;16(3):1148-1162. Epub 2021 Nov 17 doi: 10.1007/s11682-021-00568-8. PMID: 34787788 Free PMC Article

Simultanagnosia and object individuation.

Mazza V
Cogn Neuropsychol 2017 Oct-Dec;34(7-8):430-439. Epub 2017 Jun 6 doi: 10.1080/02643294.2017.1331212. PMID: 28632043

Neuro-cognitive mechanisms of simultanagnosia in patients with posterior cortical atrophy.

Abnormal center-periphery gradient in spatial attention in simultanagnosia.

Balslev D, Odoj B, Rennig J, Karnath HO
J Cogn Neurosci 2014 Dec;26(12):2778-88. Epub 2014 Jun 4 doi: 10.1162/jocn_a_00666. PMID: 24893736

Psychoanatomical substrates of Bálint's syndrome.

Rizzo M, Vecera SP
J Neurol Neurosurg Psychiatry 2002 Feb;72(2):162-78. doi: 10.1136/jnnp.72.2.162. PMID: 11796765 Free PMC Article

See all (35)