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Visual perception

Vizuelna percepcija

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2012
630.pdf (99.19Kb)
Authors
Pavlović, Dragan
Pavlović, Aleksandra M.
Article (Published version)
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Abstract
Visual perception is dependent on occipital cortex and dorsal and ventral visual pathway. Visual cortex processes elementary details of visual environment, and further analysis and synthesis is done in parietal region for place, and temporal cortex for object recognition. Visual attention selects which information is relevant and which is irrelevant and so allows a goal directed behavior. Visual system also mediates perception of color, spatial relations, depth perception, movement etc. Agnosia is a rare neuropsychological disorder, is an inability to recognize stimuli in one sense modality and can be divided to aperceptivе agnosia and associative agnosia. Simultanagnosia is the inability to perceive a whole, although the recognition of individual parts is preserved and has ventral, dorsal and frontal type. The most common cause of visual hallucinations is loss of vision but can occur in various lesions of visual system. Cortical blindness is vision loss due to damage to the visual cor...tex in both occipital lobes. Unilateral spatial neglect phenomenon or unilateral spatial neglect is a disorder of attention control in the contralateral half of the space in relation to the brain lesion.

Vizuelna percepcija zavisi od okcipitalne kore i dorzalnog i ventralnog vizuelnog puta. Vizuelni korteks obrađuje elementarne detalje vizuelne okoline dok se dalja analiza i sinteza vrše u parijetalnomi regionu za mesto i temporalnoj kori za prepoznavanje objekata. Vizuelna pažnja bira koje informacije su relevantne, a koje irelevantne i tako omogućava cilju-usmereno ponašanje. Vizuelni sistem takođe posreduje percepciju boja, prostornih odnosa, opažanje dubine, kretanje itd. Agnozija je redak neuropsihološki poremećaj, i predstavlja nemogućnost da se prepoznaju stimulusi u jednom modalitetu čula, a može se podeliti na aperceptivnu agnoziju i asocijativnu agnoziju. Simultanagnozija je nemogućnost opažanja celine, iako se priznaju pojedini delovi i deli se na ventralni, dorzalni i frontalni tip. Najčešći uzrok vizuelnih halucinacija je gubitak vida, ali može se javiti u različitim lezijama vizuelnog sistema. Kortikalni slepilo je gubitak vida usled oštećenja vizuelnog korteksa u oba okc...ipitalna režnja. Unilataralni prostorni fenomen zanemarivanje ili jednostrano prostorno zanemarivanje je poremećaj kontrole pažnje u kontralateralnoj polovini prostora u odnosu na leziju mozga.

Keywords:
visual perception / visual cortex / agnosia / simultanagnosia / neglect / vizuelne percepcije / vizuelni korteks / agnosia / simultanagnosia / zanemarivanje
Source:
Aktuelnosti iz neurologije, psihijatrije i graničnih područja, 2012, 20, 1-2, 42-48
Publisher:
  • Klinički centar - Institut za neurologiju, Beograd i Institut za psihijatriju, Beograd
Funding / projects:
  • Neuroendocrine control of growth hormone secretion in humans - new challenges. Control of energy homeostasis in humans in various pathological conditions. Genetics in familial pituitary tumorigenesis. Clinical-pathological correlations in atypical pituit (RS-175033)

ISSN: 0354-2726

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rfasper_633
URI
http://rfasper.fasper.bg.ac.rs/handle/123456789/633
Collections
  • Radovi istraživača / Researcher's publications
Institution/Community
rFASPER
TY  - JOUR
AU  - Pavlović, Dragan
AU  - Pavlović, Aleksandra M.
PY  - 2012
UR  - http://rfasper.fasper.bg.ac.rs/handle/123456789/633
AB  - Visual perception is dependent on occipital cortex and dorsal and ventral visual pathway. Visual cortex processes elementary details of visual environment, and further analysis and synthesis is done in parietal region for place, and temporal cortex for object recognition. Visual attention selects which information is relevant and which is irrelevant and so allows a goal directed behavior. Visual system also mediates perception of color, spatial relations, depth perception, movement etc. Agnosia is a rare neuropsychological disorder, is an inability to recognize stimuli in one sense modality and can be divided to aperceptivе agnosia and associative agnosia. Simultanagnosia is the inability to perceive a whole, although the recognition of individual parts is preserved and has ventral, dorsal and frontal type. The most common cause of visual hallucinations is loss of vision but can occur in various lesions of visual system. Cortical blindness is vision loss due to damage to the visual cortex in both occipital lobes. Unilateral spatial neglect phenomenon or unilateral spatial neglect is a disorder of attention control in the contralateral half of the space in relation to the brain lesion.
AB  - Vizuelna percepcija zavisi od okcipitalne kore i dorzalnog i ventralnog vizuelnog puta. Vizuelni korteks obrađuje elementarne detalje vizuelne okoline dok se dalja analiza i sinteza vrše u parijetalnomi regionu za mesto i temporalnoj kori za prepoznavanje objekata. Vizuelna pažnja bira koje informacije su relevantne, a koje irelevantne i tako omogućava cilju-usmereno ponašanje. Vizuelni sistem takođe posreduje percepciju boja, prostornih odnosa, opažanje dubine, kretanje itd. Agnozija je redak neuropsihološki poremećaj, i predstavlja nemogućnost da se prepoznaju stimulusi u jednom modalitetu čula, a može se podeliti na aperceptivnu agnoziju i asocijativnu agnoziju. Simultanagnozija je nemogućnost opažanja celine, iako se priznaju pojedini delovi i deli se na ventralni, dorzalni i frontalni tip. Najčešći uzrok vizuelnih halucinacija je gubitak vida, ali može se javiti u različitim lezijama vizuelnog sistema. Kortikalni slepilo je gubitak vida usled oštećenja vizuelnog korteksa u oba okcipitalna režnja. Unilataralni prostorni fenomen zanemarivanje ili jednostrano prostorno zanemarivanje je poremećaj kontrole pažnje u kontralateralnoj polovini prostora u odnosu na leziju mozga.
PB  - Klinički centar - Institut za neurologiju, Beograd i Institut za psihijatriju, Beograd
T2  - Aktuelnosti iz neurologije, psihijatrije i graničnih područja
T1  - Visual perception
T1  - Vizuelna percepcija
EP  - 48
IS  - 1-2
SP  - 42
VL  - 20
UR  - https://hdl.handle.net/21.15107/rcub_rfasper_633
ER  - 
@article{
author = "Pavlović, Dragan and Pavlović, Aleksandra M.",
year = "2012",
abstract = "Visual perception is dependent on occipital cortex and dorsal and ventral visual pathway. Visual cortex processes elementary details of visual environment, and further analysis and synthesis is done in parietal region for place, and temporal cortex for object recognition. Visual attention selects which information is relevant and which is irrelevant and so allows a goal directed behavior. Visual system also mediates perception of color, spatial relations, depth perception, movement etc. Agnosia is a rare neuropsychological disorder, is an inability to recognize stimuli in one sense modality and can be divided to aperceptivе agnosia and associative agnosia. Simultanagnosia is the inability to perceive a whole, although the recognition of individual parts is preserved and has ventral, dorsal and frontal type. The most common cause of visual hallucinations is loss of vision but can occur in various lesions of visual system. Cortical blindness is vision loss due to damage to the visual cortex in both occipital lobes. Unilateral spatial neglect phenomenon or unilateral spatial neglect is a disorder of attention control in the contralateral half of the space in relation to the brain lesion., Vizuelna percepcija zavisi od okcipitalne kore i dorzalnog i ventralnog vizuelnog puta. Vizuelni korteks obrađuje elementarne detalje vizuelne okoline dok se dalja analiza i sinteza vrše u parijetalnomi regionu za mesto i temporalnoj kori za prepoznavanje objekata. Vizuelna pažnja bira koje informacije su relevantne, a koje irelevantne i tako omogućava cilju-usmereno ponašanje. Vizuelni sistem takođe posreduje percepciju boja, prostornih odnosa, opažanje dubine, kretanje itd. Agnozija je redak neuropsihološki poremećaj, i predstavlja nemogućnost da se prepoznaju stimulusi u jednom modalitetu čula, a može se podeliti na aperceptivnu agnoziju i asocijativnu agnoziju. Simultanagnozija je nemogućnost opažanja celine, iako se priznaju pojedini delovi i deli se na ventralni, dorzalni i frontalni tip. Najčešći uzrok vizuelnih halucinacija je gubitak vida, ali može se javiti u različitim lezijama vizuelnog sistema. Kortikalni slepilo je gubitak vida usled oštećenja vizuelnog korteksa u oba okcipitalna režnja. Unilataralni prostorni fenomen zanemarivanje ili jednostrano prostorno zanemarivanje je poremećaj kontrole pažnje u kontralateralnoj polovini prostora u odnosu na leziju mozga.",
publisher = "Klinički centar - Institut za neurologiju, Beograd i Institut za psihijatriju, Beograd",
journal = "Aktuelnosti iz neurologije, psihijatrije i graničnih područja",
title = "Visual perception, Vizuelna percepcija",
pages = "48-42",
number = "1-2",
volume = "20",
url = "https://hdl.handle.net/21.15107/rcub_rfasper_633"
}
Pavlović, D.,& Pavlović, A. M.. (2012). Visual perception. in Aktuelnosti iz neurologije, psihijatrije i graničnih područja
Klinički centar - Institut za neurologiju, Beograd i Institut za psihijatriju, Beograd., 20(1-2), 42-48.
https://hdl.handle.net/21.15107/rcub_rfasper_633
Pavlović D, Pavlović AM. Visual perception. in Aktuelnosti iz neurologije, psihijatrije i graničnih područja. 2012;20(1-2):42-48.
https://hdl.handle.net/21.15107/rcub_rfasper_633 .
Pavlović, Dragan, Pavlović, Aleksandra M., "Visual perception" in Aktuelnosti iz neurologije, psihijatrije i graničnih područja, 20, no. 1-2 (2012):42-48,
https://hdl.handle.net/21.15107/rcub_rfasper_633 .

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