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Entries in mirror neurons (2)

Friday
Jun132008

Michael Arbib on Mirror Neurons (BSP 39)

Episode 39 of the Brain Science Podcast is an interview with Dr. Michael Arbib from the University of Southern California. Dr. Arbib's work with functional brain imaging has established the presence of mirror neurons in the human brain. In our interview we focused on the role of mirror neurons in imitation and language. In particular I questioned Dr. Arbib about the Mirror System Hypothesis (MSH) of Language Evolution that he proposed in 1998 with Giacomo Rizzolatti. We also explored how this hypothesis diverges from the universal grammar proposed by Noam Chomsky. Dr. Arbib also shared his enthusiasm for future research and we talked about the special challenges caused by the interdisciplinary nature of modern neuroscience.

Listen to the Interview


Related Episodes:




Click here for  detailed show notes including links and references

Friday
Apr182008

Mirror Neurons (BSP 35)

Mirrors in the Brain Brain Science Podcast #35 is a discussion of Mirrors in the brain: How our minds share actions, emotions, and experience by Giacomo Rizzolatti and Corrado Sinigaglia. Mirror neurons were discovered in Rizzolatti's lab in Parma Italy in the early 1990's and his book is a detailed to discussion of the experimental evidence in both monkeys and humans. Direct single neuron recordings have been made in monkeys. The evidence in humans is indirect since it is based on mainly on neuroimaging studies like PET scans and fMRI scans. Even so mirror neurons appear to be essential to our ability to understand both the actions and emotions of others. Listen Now.

In this episode we also explore the evidence that there are other neurons in the motor areas of the brain that have sensory properties and that the areas of the brain traditionally thought to be devoted to sensory functions also contain neurons with motor properties. Another fascinating discovery is the fact that there are neurons that respond not only to somatosensory inputs (such as being touched) but also to visual or auditory inputs from objects within our peri-personal space. For background on these body maps I recommend listening to Episode 21 and Episode 23. If you are new to the Brain Science Podcast you may want to listen to those episodes first because this week's episode is a little more technical than most.

I will be exploring the importance of these discoveries in future episodes.

Listen to Brain Science Podcast Episode 35 (mirror neurons) NOW.


Links:

Giacomo Rizzolatti- University of Parma

Mirror neurons (wikipedia entry)

Mirror neurons (Scholarpedia entry written by Dr. Rizzolatti)

Listen to Brain Science Podcast #35 (mirror neurons) Now


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