بررسی نشانه‌های اوتیسم در کودکان با کمک ردیابی چشم
“مهرشاد صدریا” پژوهشگر ایرانی “دانشگاه واترلو”، روش جدیدی برای تشخیص اوتیسم در کودکان ابداع کرده که نسبت به روش‌های کنونی دقیق‌تر است.
به نقل از ساینمگ، پژوهشگران “دانشگاه واترلو”(UW)، روش جدیدی برای تشخیص اوتیسم ابداع کرده‌اند که برای پزشکان، امکان تشخیص سریع و دقیق اختلال اوتیسم را در کودکان فراهم می‌کند.
پژوهشگران در این پروژه نشان دادند که چگونه کودکان مبتلا به اختلال اوتیسم می‌توانند چهره یک فرد را در ذهن خود بررسی کنند. آنها بر اساس این یافته‌ها توانستند روشی ابداع کنند که نحوه بررسی چهره یک فرد توسط کودکان طیف اوتیسم را بررسی می‌کند.
این فناوری می‌تواند به کاهش فشار فرآیند تشخیص برای کودکان کمک کند و اگر با روش‌های کنونی ترکیب شود، شاید بتواند پزشکان را در تشخیص بهتر یاری دهد.
“مهرشاد صدریا”(Mehrshad Sadria)، دانشجوی مقطع کارشناسی ارشد بخش ریاضیات کاربردی دانشگاه واترلو گفت: در حال حاضر، افراد بسیاری از اختلال اوتیسم رنج می‌برند؛ در نتیجه تشخیص به موقع این بیماری به خصوص در کودکان، ضروری است. روش‌های کنونی تشخیص اوتیسم، برای کودکان خوشایند نیستند اما روش ما می‌تواند امکان تشخیص بهتر و ساده‌تر را بدون بروز اشتباه فراهم کند. این روش جدید را می‌توان برای تشخیص اختلال اوتیسم در همه افراد به کار برد اما تأثیر ویژه آن در رابطه با کودکان است.
پژوهشگران برای ابداع این روش جدید، ۱۷ کودک مبتلا به اوتیسم و ۲۳ کودک نرمال یا “نوروتیپیکال” (neuro-typical) را ارزیابی کردند. در این پژوهش، به همه شرکت‌کنندگان، ۴۴ تصویر از صورت افراد گوناگون نشان داده شد و یک سیستم ردیابی چشم نیز مورد استفاده قرار گرفت. این سیستم توانست قسمت‌هایی از چهره که هر کودک به آنها نگاه می‌کرد، شناسایی کند.
سیستم توانست قسمت‌هایی را که کودکان به آنها خیره شده بودند، یعنی زیر چشم راست، چشم راست، زیر چشم چپ، چشم چپ، بینی، دهان و قسمت‌های دیگر چهره را مشخص کند. پژوهشگران، به اطلاعاتی بیش از زمان خیره شدن هر کودک به چهره نیاز داشتند. هدف آنها این بود که حرکت چشم کودکان و نحوه بررسی چهره توسط آنها را ارزیابی کنند. آنها برای این کار، از تحلیل رایانه‌ای استفاده کردند تا درجه اهمیت بخش‌های گوناگون چهره را از نظر کودکان مورد ارزیابی قرار دهند.
دو روش کنونی تشخیص اوتیسم، ارزیابی کودک با کمک پرسشنامه و یا روانشناس هستند. “آنیتا لیتون”(Anita Layton)، استاد ریاضیات کاربردی دانشگاه واترلو و ناظر این پژوهش گفت: برای کودکان، نگاه کردن به چهره افراد یا حیوانات، بسیار ساده‌تر از پر کردن یک پرسشنامه و ارزیابی شدن توسط روانشناس است. چالش بزرگی که بیشتر روانشناسان با آن روبرو هستند، این است که امکان دارد کودک، نشانه‌های اوتیسم را آشکار نکند و چند سال بعد آنها را بروز دهد. روش ما، تنها رفتار کودک و یا تمرکز او را بر چهره مشخص می‌کند.
این پژوهش، در مجله “Computers in Biology and Medicine” به چاپ رسید.
منبع: ایسنا
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DBULK is a solid alternative when you need a greater bridge between cycles.
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Everybody is completely different, and your present well being
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Each alternative aims to offer effective muscle development with minimal risks,
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All The Time choose natural boosters over artificial ones
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If you’re not planning to compete and wish that further
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You would possibly see some moderate gains in strength and endurance on an MK-677 cycle,
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Testosterone Cypionate customers will usually also expertise excellent muscle pumps.
This makes it possible to inject simply once every week
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Clinical doses for TRT medical use will be at the
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Medical professionals decide on this and are individualized in accordance with every male patient’s needs.
It’s essential to comply with beneficial guidelines for security and effectiveness.
SR-9009 is perfect for superior customers engaged in intense coaching who want
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For intermediate customers engaged in intense weight coaching, S-23 is a strong choice.
If you’re new to the world of selective androgen receptor modulators, Ostarine (MK-2866) is a incredible starting point.
SR-9009 (Stenabolic) isn’t a SARM but is commonly used
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In future Anavar cycles, 20mg may be used from the first week
onward; and the length of a cycle could additionally
be increased to eight weeks. A noteworthy aspect effect of Anavar is
a modest decline in endogenous testosterone manufacturing.
The ideal Anavar dosage for beginners is mg per day
over an 8-week cycle. Because Anavar has a milder stage of hepatoxicity than different steroids you’ll be able to extend your cycle longer than with most different compounds.
However, these drugs will do very little, if any steroids are still in your system.
Thus you should make a note of the half-lives of the steroids
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Oxymetholone is a c17-alpha alkylated steroid, that means a appreciable amount of the compound will enter the blood
stream – when taken in oral form. The draw back with C17-alpha
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One draw back with Arimidex bodybuilding is that it’s fairly expensive.
Users can go for anti-estrogens like Nolvadex or Proviron,
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Nevertheless, with injectables, you’re likely to experience
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Right Here are the 5 greatest anabolic steroids that can get you huge quick .
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The inclusion of hormone-boosting elements like L-arginine and ginkgo biloba helps pure testosterone manufacturing,
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Trenorol from Crazy Bulk is an efficient alternative to the powerful steroid Trenbolone.
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The most necessary organs to protect throughout a steroid
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