1.0Andlitið við FACS | Andlitssvipbrigði í hreyfimyndum, gervigreind og hegðunhttps://melindaozel.com/isMelinda Ozelhttps://melindaozel.com/is/author/melindaozel/rich600338<blockquote class="wp-embedded-content" data-secret="PMv7O0QF2x"><a href="https://melindaozel.com/is/all-about-upper-lid-raiser-au5/">Allt um efri augnlokahækkara – AU5</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://melindaozel.com/is/all-about-upper-lid-raiser-au5/embed/#?secret=PMv7O0QF2x" width="600" height="338" title="“All About Upper Lid Raiser – AU5” — Face the FACS | Facial Expressions in Animation, AI, & Behavior " data-secret="PMv7O0QF2x" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://melindaozel.com/wp-includes/js/wp-embed.min.js </script>https://melindaozel.com/wp-content/uploads/2021/06/AU5_.longways.png20411621In FACS, upper lid raiser, or AU5, is the action that raises and retracts the upper eyelid; this movement causes the eyes to appear wider and reveal more sclera (the white part of eye). The appearance changes we see in upper lid raiser are the result of an increase in contraction of levator palpebrae superioris, an extraocular muscle that works to keep the upper eyelid elevated.