Veridical stimulus localization is linked to human area V5/MT+ activity

NeuroImage
Anna K BonkhoffGereon R Fink

Abstract

How the brain represents visual space is an unsolved mystery. Spatial localization becomes particularly challenging when visual information processing is briefly disrupted, as in the case of saccadic eye movements, blinks, or visual masks. As we have recently reported, a compression of visual space, illustrated by displacements of shortly flashed stimuli, can be observed in the temporal vicinity of masking stimuli during ocular fixation (Zimmermann et al., 2013). We here aimed at investigating the neural mechanisms underlying these displacements using functional magnetic resonance imaging. On the behavioral level, we detected significant stimulus displacement when visual masks were simultaneously presented. At the neural level, we observed decreased human motion complex V5/MT+ activation associated with these displacements: When comparing trials with a perceived stimulus shift in space to trials of veridical perception of stimulus localization, human V5/MT+ was significantly less activated although no differences in perceived motion can account for this. Data suggest an important role of human V5/MT+ in the process of spatial localization of briefly presented objects and thus extend current concepts of the functions of human V5...Continue Reading

References

Mar 1, 1991·Proceedings of the National Academy of Sciences of the United States of America·J V HaxbyS I Rapoport
Jan 1, 1987·Annual Review of Neuroscience·J H Maunsell, W T Newsome
Jan 1, 1986·Vision Research·F C Volkmann
Dec 1, 1987·Perception & Psychophysics·D Finlay, M von Grünau
Apr 1, 1994·Current Opinion in Neurobiology·L G Ungerleider, J V Haxby
Jan 1, 1993·Annual Review of Neuroscience·W H Merigan, J H Maunsell
Oct 1, 1996·Behavioural Brain Research·J RossC Morrone
Apr 10, 1997·Nature·J RossD C Burr
Apr 1, 1997·Neuron·K M O'CravenR L Savoy
May 1, 1997·Perception & Psychophysics·C M SelmesM L Manning
Mar 14, 1998·Proceedings of the National Academy of Sciences of the United States of America·R B TootellA M Dale
Jan 12, 1999·Neuron·R B TootellA M Dale
Feb 13, 2001·Trends in Neurosciences·J RossD C Burr
Mar 30, 2002·Science·A ThieleK-P Hoffmann
Feb 11, 2003·Neuron·Bart KrekelbergFrank Bremmer
Oct 7, 2003·Neuropsychologia·Claudio Galletti, Patrizia Fattori
Dec 1, 1950·Journal of Comparative and Physiological Psychology·R W SPERRY
Mar 19, 2004·Current Biology : CB·Raimund KleiserBart Krekelberg
Jun 19, 2004·Current Biology : CB·Paul V McGrawBrendan T Barrett
Aug 21, 2004·Vision Research·Lars Michels, Markus Lappe
Apr 6, 2005·NeuroImage·Thomas NicholsJean-Baptiste Poline
Apr 6, 2005·NeuroImage·Karl J FristonDaniel E Glaser
Apr 9, 2005·Journal of Neurophysiology·Michael A SilverDavid J Heeger
Jul 19, 2005·Annual Review of Neuroscience·Richard T Born, David C Bradley
Nov 18, 2005·Neuroscience·F OstendorfC J Ploner
Dec 6, 2005·Anatomy and Embryology·Marcus WilmsGereon R Fink
Jun 2, 2006·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Ignacio Vallines, Mark W Greenlee
Jul 28, 2006·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Sabrina PitzalisMartin I Sereno
Jun 3, 2008·Vision Research·Robert H Wurtz
Oct 24, 2008·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Michael R IbbotsonMichael J Mustari
Jun 9, 2009·Cerebral Cortex·S PitzalisC Galletti
Oct 9, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Frank BremmerBart Krekelberg
Oct 26, 2010·Trends in Cognitive Sciences·David C BurrM Concetta Morrone

❮ Previous
Next ❯

Citations

Dec 21, 2019·Journal of Vision·Dunja Storch, Eckart Zimmermann

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.