Early gamma-band activity as a function of threat processing in the extrastriate visual cortex.

Cognitive Neuroscience
Frances A MaratosGina Rippon

Abstract

Various neuroimaging investigations have revealed that perception of emotional pictures is associated with greater visual cortex activity than their neutral counterparts. It has further been proposed that threat-related information is rapidly processed, suggesting that the modulation of visual cortex activity should occur at an early stage. Additional studies have demonstrated that oscillatory activity in the gamma band range (40–100 Hz) is associated with threat processing. Magnetoencephalography (MEG) was used to investigate such activity during perception of task-irrelevant, threat-related versus neutral facial expressions. Our results demonstrated a bilateral reduction in gamma band activity for expressions of threat, specifically anger, compared with neutral faces in extrastriate visual cortex (BA 18) within 50–250 ms of stimulus onset. These results suggest that gamma activity in visual cortex may play a role in affective modulation of visual processing, in particular with the perception of threat cues.

References

Dec 20, 1984·The Journal of Comparative Neurology·D G Amaral, J L Price
Dec 1, 1996·NeuroImage·R P Woods
Jul 29, 1998·Electroencephalography and Clinical Neurophysiology·H J HuppertzC H Lücking
Mar 13, 2001·Molecular Psychiatry·M Davis, P J Whalen
Oct 30, 2001·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·A KeilT Elbert
Dec 18, 2001·Human Brain Mapping·Thomas E Nichols, Andrew P Holmes
Nov 28, 2002·Human Brain Mapping·Gareth R Barnes, Arjan Hillebrand
Mar 9, 2005·Current Biology : CB·Toemme NoesseltRay Dolan
Apr 23, 2005·Human Brain Mapping·Arjan HillebrandGareth R Barnes
Oct 10, 2006·Brain Research Bulletin·Alumit IshaiLeslie G Ungerleider
May 15, 2007·Trends in Neurosciences·Ole JensenJean-Philippe Lachaux
Sep 4, 2007·Biological Psychology·Karin MoggBrendan P Bradley
Nov 6, 2007·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Ayelet N LandauWilliam Prinzmetal
Oct 1, 2008·Journal of Cognitive Neuroscience·Christine L LarsonDavid C Zhu
Dec 3, 2008·Cerebral Cortex·Qian LuoJames Blair
Apr 11, 2009·Cognition & Emotion·Frances A MaratosBrendan P Bradley
May 1, 2009·Cognitive, Affective & Behavioral Neuroscience·Frances A MaratosCarl Senior
Jul 1, 2009·Psychiatry Research·Nim TottenhamCharles Nelson
Aug 14, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·David RotermundKlaus R Pawelzik
Dec 29, 2009·NeuroImage·Stefanie BrassenChristian Büchel
Jul 28, 2010·Frontiers in Systems Neuroscience·Karim JerbiJean-Philippe Lachaux
Jan 5, 2011·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·K KinseyI E Holliday
Jan 27, 2011·Frontiers in Human Neuroscience·Juan R VidalJean-Philippe Lachaux

❮ Previous
Next ❯

Citations

May 3, 2014·PloS One·Luca SimioneFrances A Maratos
Mar 13, 2014·The European Journal of Neuroscience·Gavin Perry, Krish D Singh
Jun 5, 2016·The Journal of Pain : Official Journal of the American Pain Society·Antonia BarkePeter Dechent
Mar 19, 2019·Cognition & Emotion·Michael BatashviliDavid Sheffield

❮ Previous
Next ❯

Software Mentioned

SAM
NimStim
Matlab script
Medsim

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.