Breaking News
November 18, 2017 - Old World monkeys could hold key to stop progression of rheumatoid arthritis
November 18, 2017 - Harris Health System RNs named among 20 Outstanding Nurses for 2017
November 18, 2017 - Old World monkeys could be key to a new, powerful rheumatoid arthritis therapy
November 18, 2017 - Mount Sinai researchers identify new therapeutic target for ER+ breast cancer
November 18, 2017 - Age, CRP levels predict success in tapering of biologics in rheumatoid arthritis patients
November 18, 2017 - New dye could be used to observe electrical activity of neurons in the brain
November 18, 2017 - New study further validates use of vaginal progesterone to decrease risk of preterm birth
November 18, 2017 - Russian researcher determined range of reference values for boron in the human body
November 18, 2017 - ‘What the Health?’ Tax bill or health bill?
November 18, 2017 - Could Your Cat Give You ‘Bird Flu?’
November 18, 2017 - Vitamin D Linked to Fertility Outcomes in ART
November 18, 2017 - Neuroscientists identify genetic changes in microglia in a mouse model of neurodegeneration and Alzheimer’s disease
November 18, 2017 - Tax reform proposal could impact care for older Americans
November 18, 2017 - PCSK9 inhibitor offers clinical benefit to patients with peripheral artery disease
November 18, 2017 - Researchers receive £1.3 million to develop sight-saving imaging technology
November 18, 2017 - Novel buckypaper sensor could pave way for high-performance, affordable wearable technology
November 18, 2017 - Despite ACA cost protections, most adolescents skip regular checkups
November 18, 2017 - Stem cell treatment allows paraplegic rats to walk and regain sensory perception
November 18, 2017 - HTC analytical conference comes to the UK
November 18, 2017 - Face It: Drinking, Smoking Takes Toll on Looks: MedlinePlus Health News
November 18, 2017 - New research shows where in the brain the earliest signs of Alzheimer’s occur
November 18, 2017 - Philips announces launch of global movement to raise awareness for COPD
November 18, 2017 - University of Bristol awarded grant to reduce antibacterial drug resistance in Thailand
November 18, 2017 - New oxytocin chemical sensor could be first step towards early diagnosis of autism
November 18, 2017 - Study finds medical cannabis is effective at reducing opioid addiction
November 18, 2017 - Specially tailored, ultrafast light pulses can trigger neurons to fire in different patterns
November 18, 2017 - Decrease in sunshine linked to rising incidence of Rickets
November 18, 2017 - Harnessing social media big data to fight against prescription drug crisis
November 18, 2017 - Researchers find way to switch tumor cells between 2D and 3D morphology
November 18, 2017 - FDA Approves Hemlibra (emicizumab-kxwh) for Hemophilia A with Inhibitors
November 18, 2017 - Adolescents underreport amphetamine use, likely unaware that adderall is amphetamine
November 18, 2017 - Study reveals a reduced risk of teenage eczema in breastfed babies
November 18, 2017 - Separating side effects could pave way for safe, effective pain medications
November 18, 2017 - Gut bacteria at young age can contribute to MS disease onset and progression, study suggests
November 18, 2017 - Environmental triggers may play role in development of Lupus
November 18, 2017 - Review looks into conventional versus new treatment modalities in orthodontic pain management
November 17, 2017 - FDA Alert: Diphenoxylate Hydrochloride and Atropine Sulfate Tablets by Greenstone: Recall
November 17, 2017 - For older women, every movement matters
November 17, 2017 - Talking-based therapy could transform aftercare for cancer survivors
November 17, 2017 - Olympus IXplore SpinSR10 imaging system enables researchers to observe fine details in live cells
November 17, 2017 - Study explores reasons for underrepresentation of minorities in genetic cancer research
November 17, 2017 - California firm running physician practices is closing down as scrutiny ramps up
November 17, 2017 - BMI not valid measure of obesity in postmenopausal women, study shows
November 17, 2017 - Vaginal progesterone decreases the risk of premature birth in women with short cervix
November 17, 2017 - Pricey ER Tests for Chest Pain Often Unnecessary
November 17, 2017 - ‘Old’ Lungs May Be Good Transplant Options: MedlinePlus Health News
November 17, 2017 - How not to gain weight over the holidays
November 17, 2017 - Researchers map first-ever proteome of healthy human heart
November 17, 2017 - Drug used to prevent and treat malaria may also be effective for Zika virus
November 17, 2017 - One in 20 children still receiving codeine to treat pain despite warning from federal regulators
November 17, 2017 - Improving clinical trials with machine learning
November 17, 2017 - Experts identify mental exercise program that can reduce risk of dementia
November 17, 2017 - Just-in-time 3-D implants set to transform tumor surgery
November 17, 2017 - Skin patch offers hope for people with peanut allergy
November 17, 2017 - Scientists identify biomarkers that predict risk of death in Ebola patients
November 17, 2017 - Heart attack, stroke patients have improved outcomes when statins are prescribed after discharge
November 17, 2017 - Majority of people do not understand link between obesity and cancer, study shows
November 17, 2017 - Deep vein thrombosis accurately diagnosed by GPs trained in compression ultrasonography
November 17, 2017 - New Kevlar-based hydrogel recreates the magic of natural cartilage
November 17, 2017 - FDA approves first adjuvant treatment to reduce risk of kidney cancer recurrence
November 17, 2017 - Foods made with biofortified corn flour and eggs retain vitamin A after cooking
November 17, 2017 - Integrated Care Winning the Day for Healthcare Companies
November 17, 2017 - CPAP may be superior to gastric banding for severe sleep apnea
November 17, 2017 - New pain relievers reduce opiate overdose risk
November 17, 2017 - Brain astrocytes could play key role in pathogenesis of Alzheimer’s disease
November 17, 2017 - Researchers test whether LVAD surgery could reverse frailty in older adults with heart failure
November 17, 2017 - ATS debuts new video to highlight dangers of flavored tobacco
November 17, 2017 - Medicaid expansion under ACA more likely to increase smoking cessation rates among low-income adults
November 17, 2017 - FDA Approves Mepsevii (vestronidase alfa) for Mucopolysaccharidosis Type VII
November 17, 2017 - 1 in 5 Americans Still Uses Tobacco, Gov’t. Reports: MedlinePlus Health News
November 17, 2017 - People with psychotic-like experiences spend less time in healthy brain states
November 17, 2017 - Hospital Readmission Reduction Program linked to increase in death rates, study finds
November 17, 2017 - Study finds rising rates of marijuana use in states where it is legal
November 17, 2017 - Scientists unveil pathology underlying optic nerve hypoplasia in children
November 17, 2017 - Novel device designed to treat diastolic heart failure found safe and effective
November 17, 2017 - Smoking parents may underestimate kid’s exposure to secondhand smoke
November 17, 2017 - FAIMS technology holds potential to be effective screening tool for pancreatic cancer
November 17, 2017 - Applying AFM to study the viscoelastic properties of cells
November 17, 2017 - FDA Alert: Nexterone (amiodarone HCl) 150 mg/100 mL Premixed Injection: Recall
November 17, 2017 - High cognitive ability not a safeguard from conspiracies, paranormal beliefs
A mind machine that builds self belief in what we see, listen and contact

A mind machine that builds self belief in what we see, listen and contact

image_pdfDownload PDFimage_print
A brain system that builds confidence in what we see, hear and touch
Credit score: iStock

A sequence of experiments at EPFL supply conclusive proof that the mind makes use of a unmarried mechanism (supramodality) to estimate self belief in numerous senses reminiscent of audition, contact, or imaginative and prescient. The find out about is printed within the Magazine of Neuroscience.

Behavioral scientists and psychologists use the time period “metacognition” to explain our skill to get admission to, record and keep watch over our personal psychological states: “fascinated with pondering,” “realizing about realizing” “being privy to being conscious,” are all higher-order cognitive abilities that have compatibility this class.

In particular, metacognition permits the mind to compute a point of self belief after we understand occasions from the exterior international, reminiscent of a legitimate, mild, or contact. The accuracy of self belief estimates is the most important in day-to-day existence, for example when listening to a toddler crying, or smelling a gasoline leak. Self belief estimates additionally want to mix enter from a couple of senses concurrently, for example when purchasing a violin in line with the way it sounds, feels, and appears.

From a neuroscience viewpoint, the way in which metacognition operates in numerous senses, and for mixture of senses remains to be a thriller: Does metacognition use the similar laws for visible, auditory, or tactile stimuli, or does it use other parts of each and every of sensory domain names? The primary of those two concepts – i.e. the “commonplace laws” – is referred to as “supramodality” and it has confirmed arguable amongst neuroscientists.

Settling the topic

A sequence of experiments by means of Olaf Blanke’s lab at EPFL now supply proof in want of supramodality. The find out about, led by means of researcher Nathan Faivre, examined human volunteers the usage of 3 several types of experimental tactics: behavioral psychophysics, computational modeling, and electrophysiological recordings.

The behavioral a part of the find out about discovered that contributors with top metacognitive efficiency for one sense (e.g. imaginative and prescient) have been prone to carry out smartly in different senses (e.g. audition or contact). “In different phrases,” explains Faivre, “the ones people who’re just right at realizing what they see also are just right at realizing what they listen and what they contact.”

The computational modeling indicated that the arrogance estimates we construct when seeing a picture or listening to a legitimate may also be successfully when put next to each other. This means that they proportion the similar layout.

In any case, the electrophysiological recordings published an identical traits when the volunteers reported self belief of their responses to audio or audiovisual stimuli. This implies that visible and audiovisual metacognition is in line with an identical neural mechanisms.

“Those effects make a powerful case in want of the supramodality speculation,” says Faivre. “They display that there’s a commonplace forex for self belief in numerous sensory domain names – in different phrases, that self belief in a sign is encoded with the similar layout within the mind regardless of the place the sign comes from. This provides metacognition a central standing, wherein the tracking of perceptual processes happens thru a commonplace neural mechanism.”

The find out about is the most important step in opposition to a mechanistic figuring out of human metacognition. It tells us one thing about how we understand the sector and develop into conscious of the environment, and will doubtlessly result in techniques of treating a number of neurological and psychiatric issues the place metacognition is impaired.

Discover additional:
Other folks display ‘blind perception’ into resolution making efficiency

Additional information:
Nathan Faivre et al. Behavioural, modeling, and electrophysiological proof for supramodality in human metacognition, The Magazine of Neuroscience (2017). DOI: 10.1523/JNEUROSCI.0322-17.2017

Magazine reference:
Magazine of Neuroscience

Equipped by means of:
Ecole Polytechnique Federale de Lausanne

Tagged with:

About author

Related Articles