{"id":10057,"date":"2013-01-22T08:50:50","date_gmt":"2013-01-22T13:50:50","guid":{"rendered":"http:\/\/therapytoronto.ca\/news\/?p=10057"},"modified":"2013-01-25T05:55:48","modified_gmt":"2013-01-25T10:55:48","slug":"study-of-brain-activity-in-monkeys-shows-how-the-brain-processes-mistakes-made-by-others","status":"publish","type":"post","link":"https:\/\/therapytoronto.ca\/news\/2013\/01\/study-of-brain-activity-in-monkeys-shows-how-the-brain-processes-mistakes-made-by-others\/","title":{"rendered":"Study of brain activity in monkeys shows how the brain processes mistakes made by others"},"content":{"rendered":"<p>From the RIKEN press release via MedicalXpress:<\/p>\n<blockquote>\n<p id=\"news-desc\"><strong><a href=\"http:\/\/therapytoronto.ca\/news\/2013\/01\/study-is-first-to-find-significant-link-between-sleepiness-and-vitamin-d\/monkeys\/\" rel=\"attachment wp-att-9610\"><img loading=\"lazy\" class=\"size-full wp-image-9610 alignright\" alt=\"monkeys\" src=\"http:\/\/therapytoronto.ca\/news\/wp-content\/uploads\/2013\/01\/monkeys.jpg\" width=\"300\" height=\"211\" \/><\/a>Humans and other animals learn by making mistakes. They can also learn from observing the mistakes of others<\/strong>. The brain processes self-generated errors in a region called the medial frontal cortex (MFC) but little is known about how it processes the observed errors of others. A Japanese research team led by Masaki Isoda and Atsushi Iriki of the RIKEN Brain Science Institute has now demonstrated that the MFC is also involved in processing observed errors.<\/p>\n<p>The team studied the brains of monkeys while the animals performed the same task.<strong> Two monkeys sat opposite each other and took turns to choose between a yellow and green button, one of which resulted in a liquid reward for both<\/strong>. Each monkey&#8217;s turn consisted of two choices.<\/p>\n<p>After blocks of between 5 and 17 choices, <strong>the button that resulted in reward was switched unpredictably, usually causing an error on the next choice<\/strong>. The choices made by each monkey immediately after such errors, or errors that were random, showed that they used both their own errors and their partner&#8217;s to guide their subsequent choices. While the monkeys performed this task, the researchers recorded activity of single neurons in their brains.<\/p>\n<p>In this way they were able to determine which behavioural aspect was most closely associated with each neuron&#8217;s activity, explains Isoda. &#8220;<strong>We found that many neurons in the medial frontal cortex were not activated when the monkey made an error itself, but they became active when their partner made an error<\/strong>.&#8221; This brain activity shows that it is the MFC which processes observations of another&#8217;s error, and the corresponding behavior shows that observing and processing such errors guides subsequent actions.<\/p>\n<p>&#8220;Such error identification and subsequent error correction are of crucial importance for developing and maintaining successful social communities,&#8221; says Isoda. &#8220;Humans are tuned into other people&#8217;s mistakes not only for competitive success, but also for cooperative group living. If non-invasive techniques become available in humans, then we should be able to identify medial frontal neurons that behave similarly.&#8221;<\/p>\n<p>Having identified the MFC as being involved, Isoda now wants to delve deeper into the process. &#8220;<strong>The next steps will be to clarify whether the inactivation of medial frontal cortex neurons reduces the ability to identify others&#8217; errors<\/strong>, and to determine whether other brain regions are also involved in the processing of others&#8217; errors.&#8221;<\/p>\n<p><b>More information:<\/b> Yoshida, K., Saito, N., Iriki, A. &amp; Isoda, M. Social error monitoring in macaque frontal cortex. <i>Nature Neuroscience<\/i> 15, 1307\u20131312 (2012).<\/p><\/blockquote>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>From the RIKEN press release via MedicalXpress: Humans and other animals learn by making mistakes. They can also learn from observing the mistakes of others. The brain processes self-generated errors&#8230; <a class=\"read-more-link\" href=\"https:\/\/therapytoronto.ca\/news\/2013\/01\/study-of-brain-activity-in-monkeys-shows-how-the-brain-processes-mistakes-made-by-others\/\">Read more &raquo;<\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[319,6],"tags":[42],"_links":{"self":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/10057"}],"collection":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/comments?post=10057"}],"version-history":[{"count":4,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/10057\/revisions"}],"predecessor-version":[{"id":10188,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/10057\/revisions\/10188"}],"wp:attachment":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/media?parent=10057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/categories?post=10057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/tags?post=10057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}