{"id":73682,"date":"2024-06-15T13:10:47","date_gmt":"2024-06-15T13:10:47","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/06\/15\/readers-react-to-a-rare-visual-disorder-microplastics-in-arteries-and-more\/"},"modified":"2024-06-15T13:10:47","modified_gmt":"2024-06-15T13:10:47","slug":"readers-react-to-a-rare-visual-disorder-microplastics-in-arteries-and-more","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/06\/15\/readers-react-to-a-rare-visual-disorder-microplastics-in-arteries-and-more\/","title":{"rendered":"Readers react to a rare visual disorder, microplastics in arteries and more"},"content":{"rendered":"<div style=\"text-align:center\"><\/div> \r\n<br><div data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n<div class=\"wp-block-image  has-alignleft\">\n<figure class=\"alignleft size-thumbnail\"><a href=\"https:\/\/www.sciencenews.org\/sn-magazine\/april-20-2024\"><\/a><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">Let\u2019s face it<\/h4>\n\n\n\n<p><em>Scientists re-created the demonic distortions that a patient with prosopometamorphopsia, or PMO, sees when looking at faces, <strong>Anna Gibbs<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/distorted-faces-prosopometamorphopsia\">Here\u2019s what faces can look like to people with a rare visual disorder<\/a>\u201d (<\/em>SN: 4\/20\/24, p. 32<em>).<\/em><\/p>\n\n\n\n<p>Reader <strong>John Henderson<\/strong> asked whether research on facial blindness could help scientists better understand PMO.<\/p>\n\n\n\n<p>The two disorders have been linked to similar regions in the brain, including the right occipital lobe and fusiform face area, says neurologist <strong>Jason Barton<\/strong> of the University of British Columbia in Vancouver. 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are distorted in PMO.<\/p>\n\n\n\n<p>The brain may process faces and hair using different mechanisms, say <strong>Brad Duchaine<\/strong> and <strong>Ant\u00f4nio Mello<\/strong>, neuropsychologists at Dartmouth College. They point to a 1997 paper about a patient who suffered brain damage that left him unable to recognize objects. The injury did not affect his recognition of the internal face \u2014 the region containing the eyes, nose and mouth \u2014 but did impair his ability to identify people from their hair and other external facial features.<\/p>\n\n\n\n<p>Reader <strong>Gary Wilson<\/strong> asked if there are disorders that distort senses other than vision.<\/p>\n\n\n\n<p>Absolutely. In addition to distorting vision so that objects look too large, too small or warped, Alice in Wonderland syndrome can affect how a person senses time or feels their own body, <strong>Barton <\/strong>says.<\/p>\n\n\n\n<p>There are also common sensory distortions like tinnitus in the ear, <strong>Duchaine<\/strong> and <strong>Mello<\/strong> say. And some psychiatric disorders, such as schizophrenia, can induce auditory hallucinations.<\/p>\n\n\n\n<div class=\"wp-block-sciencenews-content-sidebar\">\n<h5 class=\"wp-block-heading\">Clever canines<\/h5>\n\n\n\n<p>Brain activity suggests dogs can recognize nouns and create mental concepts of everyday objects,<strong> Laura Sanders<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/dogs-know-words-favorite-toys\">Dogs know words for specific toys<\/a>\u201d (<em>SN: 4\/20\/24, p. 11<\/em>). Many readers who have dogs were not surprised. X\u00a0user <strong>@AnEnigmaDave<\/strong> wrote: \u201cBoth our dogs knew the names of all of their toys and could find them when asked. [One] figured out I was trainable after she made a petting motion with her paw and I complied. She taught me many request gestures after that epiphany.\u201d<\/p>\n\n\n<div class=\"wp-block-image  has-aligncenter\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"680\" height=\"453\" src=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_680.jpg?resize=680%2C453&amp;ssl=1\" alt=\"\" class=\"wp-image-3140546\" srcset=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_680.jpg?w=680&amp;ssl=1 680w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_680.jpg?resize=575%2C383&amp;ssl=1 575w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_680.jpg?resize=675%2C450&amp;ssl=1 675w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_680.jpg?resize=279%2C186&amp;ssl=1 279w\" sizes=\"(max-width: 680px) 100vw, 680px\" data-recalc-dims=\"1\"\/><figcaption><span class=\"credit wp-credit-3140546\">GRZEGORZ ELIASIEWICZ<\/span><\/figcaption><\/figure><\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Microplastic perils<\/h4>\n\n\n\n<p><em>Patients with microplastics in their arteries had a roughly quadrupled risk of heart attack, stroke or death, <strong>Meghan Rosen <\/strong>reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/microplastics-nanoplastics-heart-attacks-strokes-health\">Tiny plastics turn up in arterial clogs<\/a>\u201d (<\/em>SN: 4\/20\/24, p. 6<em>).<\/em><\/p>\n\n\n\n\n\n<p>Microplastics form when plastics in the environment break down over time. Reader <strong>Eric E. Sabelman<\/strong> wondered whether medical equipment made with plastic, such as some hip prostheses or IV bags and tubes, could shed microplastics within the body.<\/p>\n\n\n\n<p>This is very likely, says <strong>Laurens Mandemaker<\/strong>, a chemist at Utrecht University in the Netherlands. Hip prostheses, for instance, undergo constant abrasive wear when the hip moves. Studies have shown that hip prostheses that consist of metal and plastic parts experience heavier wear than metal-only prostheses. Microplastics could form inside the body as those plastic parts degrade over time, he says.<\/p>\n\n\n\n<p>What this means for health is still unclear. If microplastics pose serious, long-term health risks, scientists need to find alternative materials for such medical equipment, <strong>Mandemaker<\/strong> says. But patients who need prostheses, dialysis or blood transfusions would probably consider the risks of microplastics a lower priority than addressing an urgent and severe health problem, he says.<\/p>\n\n\n\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/rare-visual-disorder-microplastic-arteries\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>Let\u2019s face it Scientists re-created the demonic distortions that a patient with prosopometamorphopsia, or PMO, sees when looking at faces, Anna Gibbs reported in \u201cHere\u2019s what faces can look like to people with a rare visual disorder\u201d (SN: 4\/20\/24, p. 32). Reader John Henderson asked whether research on facial blindness could help scientists better understand [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":73683,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/06\/061524_fback_cover_680.jpg?resize=144%2C186&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[67455,29488,9864,9322,7507,4885,22032],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/73682"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=73682"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/73682\/revisions"}],"predecessor-version":[{"id":73684,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/73682\/revisions\/73684"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/73683"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=73682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=73682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=73682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}