Testing Hypotheses of Mirror Neuron Function Amrita Singh - - PowerPoint PPT Presentation

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Testing Hypotheses of Mirror Neuron Function Amrita Singh - - PowerPoint PPT Presentation

Aug 11, 2023 124 likes •236 views

Testing Hypotheses of Mirror Neuron Function Amrita Singh Background Cognitive System Motor Perception System System Common Coding Theory (William James, Roger Sperry etc.) Action Perceptual Representations Representations Grasping

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SLIDE 1

Testing Hypotheses of Mirror Neuron Function

Amrita Singh

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SLIDE 2

Background

Cognitive System Perception System Motor System

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SLIDE 3

Common Coding Theory

(William James, Roger Sperry etc.) Action Representations Perceptual Representations Grasping Throwing

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Mirror Neurons: Embodiment of Common Code

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Does the common code extend to spatial and temporal characteristics

  • f actions?

Mental imitation

  • f perceived actions

Advantage in perceiving self- generated actions

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Analogy

Prediction based on known data

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Experimental Design

  • Dart board divided into two halves, participants must aim

for one half

  • Videos will show throwing action only
  • Pairs of participants will watch their own and each other’s

videos, judge which half is aimed

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SLIDE 8

Interpretation of Results

Sensitivity of each participant will be calculated for self- and other-generated actions: d’ = z(U) + z(L)

U = Fraction of upper-half throws identified correctly L = Fraction of lower-half throws identified correctly z(p) = Inverse of normal distribution

d’ values for the two cases will be compared.

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SLIDE 9

Further Insights

  • Results dispute claim for development of

mirror neurons through Hebbian learning (Keysers, Gazzola et al)

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SLIDE 10

References

  • Rizzolatti, Giacomo, et al. "Premotor cortex and the recognition of

motor actions." Cognitive brain research 3.2 (1996): 131-141.

  • Jeannerod, Marc. Motor cognition: What actions tell the self. No.
  • 42. Oxford University Press, 2006.
  • Knoblich, Günther, and Rüdiger Flach. "Predicting the effects of

actions: Interactions of perception and action." Psychological Science 12.6 (2001): 467-472.

  • Keysers, Christian, and Valeria Gazzola. "Hebbian learning and

predictive mirror neurons for actions, sensations and emotions." Philosophical Transactions of the Royal Society B: Biological Sciences 369.1644 (2014): 20130175.

  • Kilner, J. M., Y. Paulignan, and S. J. Blakemore. "An interference

effect of observed biological movement on action." Current Biology 13.6 (2003): 522-525.