TB8 Lecture 4; Mirror Neuron System 0.0 / 5 ? PsychologyTB8 P&CUniversityNone Created by: mint75Created on: 22-05-16 11:08 Are motor pathways hemispherically crossed? Yes, left hemisphere controls right side of body 1 of 23 How many muscles do neurons in M1 operate? Single muscles 2 of 23 How is M1 arranged? Topographically 3 of 23 Premotor cortex neurons...? Provide input to M1 cortical neurons 4 of 23 Where are mirror neurons (MNS) thought to be found? F5 5 of 23 Do MNS exhibit action specificity? Yes 6 of 23 Do MNS typically respond to miming? No 7 of 23 Do MNS respond to hidden actions? Yes 8 of 23 If humans had a MNS, where would they be theoretically found? Premotor cortex 9 of 23 What do MEPs provide? A metric of motor cortex activity 10 of 23 What does TMS to human M1 do? Causes MEPs in muscles 11 of 23 Do MEPS reflect action specificty in action oberservation? Yes, watching hand action will increase MEPs in the hand 12 of 23 Does listening to words that use the tongue increase tongue MEPs? Yes 13 of 23 In a single cell study in humans, where were neurons with MNS properties seen? Supplementary motor areas and hippocampus 14 of 23 What is the main premise of simulation theory? To understand peoples actions we simulate them using motor systems 15 of 23 What is the main premise of Theory Theory? We acquire and deploy a commonsense theory of mind re; causal and explanatory laws 16 of 23 What is a criticism of Simulation theory? How do we inhibit the spontaneous movement? 17 of 23 What blocks the mechanoreceptor input to tell you that you are not being touched? A nerve block in brachial plexus 18 of 23 In Iaconbi et al (2005), which condition was the greatest activation seen in in PMC? Intention condition 19 of 23 What is the motor theory of speech? A link between the sender and receiver is a necessary prerequisite of communication 20 of 23 Is Brocas area the human homologue of F5? Yes 21 of 23 According to Arbib & Rizzolatti, the development of the observers ability to conciously control their MNS results in? Ability to emit a voluntary signal forming a primitive dialogue between parties 22 of 23 What deficits are shown in ASD? Reduced mu rhythm suppression, reduced corticospinal activation, local thinning in cerebral cortex 23 of 23
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