Navigation Links
Hollow mask illusion fails to fool schizophrenia patients
Date:4/6/2009

Patients with schizophrenia are able to correctly see through an illusion known as the 'hollow mask' illusion, probably because their brain disconnects 'what the eyes see' from what 'the brain thinks it is seeing', according to a joint UK and German study published in the journal NeuroImage. The findings shed light on why cannabis users may also be less deceived by the illusion whilst on the drug.

People with schizophrenia, a mental illness affecting about one per cent of the population, are known to be immune to certain vision illusions. The latest study confirms that patients with schizophrenia are not fooled by the 'hollow mask' illusion, and that this may relate to a difference in the way two parts of their brains communicate with each other the 'bottom-up' process of collecting incoming visual information from the eyes, and the 'top-down' process of interpreting this information.

Illusions occur when the brain interprets incoming sensory information on the basis of its context and a person's previous experience, so called top-down processing. Sometimes this process can mean that people's perception of an object is quite different to reality a phenomenon often exploited by magicians. The new study, by scientists at the Hannover Medical School in Germany and UCL Institute of Cognitive Neuroscience in the UK, suggests that patients with schizophrenia rely considerably less on top-down processing during perception.

The study used a variation on the three-dimensional 'hollow mask' illusion. In this illusion, a hollow mask of a face (pointing inwards, or concave) appears as a normal face (pointing outwards, or convex). During the experiment, 3D normal faces and hollow faces were shown to patients with schizophrenia and control volunteers while they lay inside an fMRI brain scanner, which monitored their brain responses.

As expected, all 16 control volunteers perceived the hollow mask as a normal face mis-categoris
'/>"/>

Contact: Jenny Gimpel
j.gimpel@ucl.ac.uk
44-207-679-9726
University College London
Source:Eurekalert

Page: 1 2 3

Related medicine news :

1. Hollow gold nanospheres show promise for biomedical and other applications
2. ev3 and FoxHollow Technologies Announce Completion of Merger
3. Optical illusions: Variety makes us perceive smaller quantities
4. Drug Fails to Slow Progression of Atherosclerosis
5. Collagen injections can help some incontinence patients when surgery fails, researcher finds
6. FDA Fails to Protect Public: Remains Silent About Lead in Lipstick
7. Imaging of Low Back Pain Fails to Change Outcomes
8. Virginia Leaders Should Reject Flawed Smoke-Free Legislation That Fails to Protect Everyones Right to Breathe Clean Air
9. HIPAA privacy rule fails to adequately protect patient privacy and hampers health research
10. Sepsis Therapy in Preemies Fails to Boost Survival
11. Common treatment for chronic prostatitis fails to reduce symptoms
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/1/2014)... Familylifeinsurancequotes.org has released a new blog ... citizens. , Senior citizens can qualify for affordable ... to seniors who are over 50 years old. Some ... a medical examination. , Term life insurance with a ... can qualify. Having life insurance during retirement is important ...
(Date:10/1/2014)... CA (PRWEB) October 01, 2014 Bedros ... Fit Body Boot Camp fitness boot camps, he’s also ... personal training , with sold out business summits, a ... as marketing consultant to a recent Spike TV reality ... says that now is the time for personal trainers ...
(Date:10/1/2014)... Hillsboro, Oregon (PRWEB) October 01, 2014 ... curing solutions , continues to expand the business worldwide. ... engineering along with additional capacity for manufacturing efforts. The ... over the last five years and expects this growth ... UV LED curing technology gains worldwide adoption. , ...
(Date:10/1/2014)... MO (PRWEB) October 01, 2014 Join the ... Castlewood Eating Disorder Treatment Center’s first ever charity golf tournament ... for people with eating disorders who cannot afford treatment. The ... Golf Club in Eureka, Mo. , The day-long event ... noon. A reception and award dinner will begin at 5 ...
(Date:10/1/2014)... October 01, 2014 Between 23 million ... the U.S., according to figures from the National Institutes ... Association (AARDA), and many of them have something else ... having undiagnosed celiac disease. Gluten Free Therapeutics, makers ... of undiagnosed celiac disease by publishing a series of ...
Breaking Medicine News(10 mins):Health News:Affordable Term Life Insurance - Senior Citizens Can Qualify for Coverage! 2Health News:Bedros Keuilian Shares Tips on Selling Personal Training for the Holidays 2Health News:Bedros Keuilian Shares Tips on Selling Personal Training for the Holidays 3Health News:Phoseon Technology Continues to Drive Growth Worldwide 2Health News:Project HEAL Benefit Golf Tournament Gaining Momentum 2Health News:Project HEAL Benefit Golf Tournament Gaining Momentum 3Health News:Informative New Blog Series Underscores Link Between Celiac Disease and Other Autoimmune Disorders 2Health News:Informative New Blog Series Underscores Link Between Celiac Disease and Other Autoimmune Disorders 3
... Financial contracts to care for sick or aging relatives ... new interest as everyday Americans wrestle with the time and ... legal expert says. , Law professor Richard L. Kaplan says ... a groundswell, and most people still bristle at the notion ...
... 27 Warner Chilcott Limited (Nasdaq: WCRX ) ... has filed for standard review the new drug application (NDA) ... NDA for WC 3016 was submitted by its subsidiary, Warner ... Warner Chilcott , Warner Chilcott is a leading ...
... Today, the Children,s Health Fund (CHF) announced a ... support a new health care clinic in the South ... Starr International Foundation grant will support the clinic,s medical ... The homeless health care clinic is part of the ...
... Inc. (OTC Bulletin Board: NVLX), an emerging healthcare ... distribute Infinitink (the world,s first permanent tattoo ink ... Zealand. The distribution agreement grants Jayhur Enterprises (Sydney, ... market, distribute and sell ...
... Kandahar, Afghanistan could help surgeons prepare for civilian disasters, ... two tours at the hospital. Dr. Vivian McAlister ... the Schulich School of Medicine & Dentistry at The ... the London Health Sciences Centre. He spent two months ...
... can lead to healthier livesST. LOUIS, May 27 ... rollout a new consumer health tool that will complement ... customers. Nurse Response will offer the Healthwise Knowledgebase, an ... Response consumers to access over 7,000 health topics online. ...
Cached Medicine News:Health News:Contracts adding legal twist to family health care 2Health News:Contracts adding legal twist to family health care 3Health News:Warner Chilcott Announces FDA Acceptance of NDA Submission for Low Dose Oral Contraceptive 2Health News:Warner Chilcott Announces FDA Acceptance of NDA Submission for Low Dose Oral Contraceptive 3Health News:Children's Health Fund Receives $500,000 from the Starr International Foundation to Support South Bronx Homeless Health Care Clinic 2Health News:Nuvilex Signs Agreement with Jayhur Enterprises to Distribute Infinitink - the World's First Permanent, But Easier to Remove Tattoo Ink - in Australia and New Zealand 2Health News:Nuvilex Signs Agreement with Jayhur Enterprises to Distribute Infinitink - the World's First Permanent, But Easier to Remove Tattoo Ink - in Australia and New Zealand 3Health News:Sharing surgical lessons from the Canadian field hospital in Afghanistan 2
(Date:9/30/2014)... 2014 STUDY OBJECTIVES The objective ... provide an overview of the current and future ... The key objective is to present a comprehensive ... an important tool in the treatment of various ... strategies within the protein therapeutics market, which includes ...
(Date:9/30/2014)... 30, 2014 Aileron Therapeutics, Inc. - ... Global Markets Direct,s, ,Aileron Therapeutics, Inc. - Product ... the Aileron Therapeutics, Inc.,s pharmaceutical research and development ... the current therapeutic developmental pipeline of Aileron Therapeutics, ... therapeutics assessment by drug target, mechanism of action ...
(Date:9/30/2014)... Group finds that the Asia Pacific dental ... , India , Japan ... implant procedure volumes will grow as physicians are increasingly trained on ... findings from Decision Resources Group,s coverage of the Asia ... implant penetration: Penetration of dental implants among the Asia ...
Breaking Medicine Technology:Global Markets and Manufacturing Technologies for Protein Drugs -- Focus on Cytokines and Monoclonal Antibodies 2Global Markets and Manufacturing Technologies for Protein Drugs -- Focus on Cytokines and Monoclonal Antibodies 3Global Markets and Manufacturing Technologies for Protein Drugs -- Focus on Cytokines and Monoclonal Antibodies 4Aileron Therapeutics, Inc. - Product Pipeline Review - 2014 2Aileron Therapeutics, Inc. - Product Pipeline Review - 2014 3Asia Pacific Dental Implant Market Will Grow at a Strong Rate Through 2023 2Asia Pacific Dental Implant Market Will Grow at a Strong Rate Through 2023 3
... International Corporation (NASDAQ: PRXL ), a leading ... provide a live webcast of its Investor Day on ... p.m. (EDT). All interested parties are invited ... von Rickenbach, Chief Financial Officer Jim Winschel and five ...
... - Atu027, a First in Class RNAi Therapy, Demonstrates ... Possible Biomarker Identified Silence Therapeutics to Announce New ... At 2012 ASCO Annual Meeting Silence Therapeutics plc ... interference (RNAi) therapeutics company, today announces that top line data ...
Cached Medicine Technology:Parexel Invites Public To Listen To Live Webcast Of Its Investor Day May 31, 2012 2New Data from Silence's Atu027 Anticancer Trial Published at ASCO 2New Data from Silence's Atu027 Anticancer Trial Published at ASCO 3New Data from Silence's Atu027 Anticancer Trial Published at ASCO 4New Data from Silence's Atu027 Anticancer Trial Published at ASCO 5
... Our breadth of infectious disease ELISA products ... With standard assay protocols for faster integration ... ELISA products provide increased reliability and run-to-run ... antibody detection assays for a wide range ...
... Our breadth of infectious disease ELISA products ... With standard assay protocols for faster integration ... ELISA products provide increased reliability and run-to-run ... antibody detection assays for a wide range ...
... of infectious disease ELISA products make us ... assay protocols for faster integration into the ... provide increased reliability and run-to-run consistency. Our ... assays for a wide range of serological ...
... offer a complete line of ... state-of-the-art monoclonal and monoclonal/polyclonal antibody-based ... of enteric pathogens in fecal ... for Clostridium difficile, Entamoeba histolytica, ...
Medicine Products: