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lecture21 - Imitation Is The Sincerest Form of Flattery...

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Imitation Is The Sincerest Form of Flattery Sarinana, Joshua MIT 2007 Image removed due to copyright restrictions. Photograph of musician playing a cello.
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Imitation Is The Sincerest Form of Flattery Sarinana, Joshua MIT 2007 Image removed due to copyright restrictions. Photo of a tennis player.
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Monkeys Imitate Too Sarinana, Joshua MIT 2007 Images removed due to copyright restrictions. Photos of George W. Bush and chimpanzees wearing similar expressions.
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Coupling Observation of an action with the Execution of an action Sarinana, Joshua MIT 2007
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The Mirror Neuron System Sarinana, Joshua MIT 2007
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Requisites for Observational Learning • Watch/Listen to human or human like action • Integrate what was watched/listened to with motor preparation • Execute the action from the learning episode • Place yourself in the position of the observed* Sarinana, Joshua MIT 2007
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Overview • Anatomy and Physiology of Monkey Mirror Neuron System • What Else Do Mirror Neurons Encode? • Homologies in the Human Mirror Neuron System • Language, Empathy and Autism Sarinana, Joshua MIT 2007
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Overview • Anatomy and Physiology of Monkey Mirror Neuron System • What Else Do Mirror Neurons Encode? • Homologies in the Human Mirror Neuron System • Language, Empathy and Autism Sarinana, Joshua MIT 2007
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Monkey Cortex Sarinana, Joshua MIT 2007 Source: Fig. 6 in Nieder, Andreas. "Counting on Neurons: the Neurobiology of Numerical Competence." Nature Reviews Neuroscience 6 (2005): 177-190. Courtesy of the author. Used with permission.
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Parietal and Prefrontal Dependent Motor Areas The Mirror Neuron System Rizzolatti & Mitelli Electroencephalogr Clin Neurophysiol. 1998 Sarinana, Joshua MIT 2007 PF Face Leg Arm Arm Arm PFop PFG PG PE PEc Opt PGop Leg Leg Arm Arm A r m Arm Face F a c e Eye Eye Eye F2 F4 F5 8 F7 AS F1 l P C Lu 10 P Al STS L Figure by MIT OpenCourseWare.
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Macaque Cortical Layers Premotor areas (such as F5) lack the granular layer “agranular” Sarinana, Joshua MIT 2007 Image removed due to copyright restrictions. Diagram of different cell layers in cortex, with the granular layer crossed out. See fifth image down at http://www.benbest.com/science/anatmind/anatmd5.html for base image.
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Macaque Cortical Layers Sensory cortical areas (such as PF and STS) have a very thick granular layer Sarinana, Joshua MIT 2007 Image removed due to copyright restrictions. Diagram of different cell layers in cortex (with granular layer retained). See fifth image down at http://www.benbest.com/science/anatmind/anatmd5.html .
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Macaque Cortical Layers Receives input from other cortical areas Sarinana, Joshua MIT 2007 Image removed due to copyright restrictions. Diagram of different cell layers in cortex, with external pyramidal layer highlighted. See fifth image down at http://www.benbest.com/science/anatmind/anatmd5.html .
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Ventral Premotor Cortex (Area F5) Multimodal cell activity – Active during object fixation – Active during observation of certain actions – Active during action execution – Stimulation of F5 results in hand and mouth movements – Homologous to Broca’s Area Sarinana, Joshua MIT 2007
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This note was uploaded on 11/11/2011 for the course BIO 9.07 taught by Professor Ruthrosenholtz during the Spring '04 term at MIT.

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lecture21 - Imitation Is The Sincerest Form of Flattery...

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