1.0Harvard Gazettehttps://test.news.harvard.edu/gazettegazettejohnbaglionehttps://test.news.harvard.edu/gazette/story/author/gazettejohnbaglione/rich600338<blockquote class="wp-embedded-content" data-secret="3ecKE3xeki"><a href="https://test.news.harvard.edu/gazette/story/2018/01/a-volume-control-for-the-brain/">A volume control for the brain </a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://test.news.harvard.edu/gazette/story/2018/01/a-volume-control-for-the-brain/embed/#?secret=3ecKE3xeki" width="600" height="338" title="“A volume control for the brain ” — Harvard Gazette" data-secret="3ecKE3xeki" 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://test.news.harvard.edu/wp-includes/js/wp-embed.min.js </script> https://test.news.harvard.edu/gazette/wp-content/uploads/2018/01/volume.jpg25001667The brain is awash in sights, sounds, smells, and other stimuli every moment. How can it sort through the flood of information to decide what is important and what can be relegated to the background? Harvard researchers found evidence that oxytocin, popularly known as the “love hormone,” plays a crucial role in helping the brain process social signals.