Meta-representation The Emergence of meta-representation (a hypothesis)
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Transcript of Meta-representation The Emergence of meta-representation (a hypothesis)
Meta-representation
The Emergence of meta-representation (a hypothesis)
How did meta-representation develop?
Genetic change? ÷
Module in the brain? ÷
Emergence? +
Emergence
We use the term emergence when the following donditions are satisfied:
a) Population of N individuals, N >> 0
b) If a and b are ”close” they modify each others activity pattern
c) Given the activity of a at t0 one cannot predict its activity at t0 + t
d) At the global level there is synchronized
activity
e) d) is an effect of b)
Problem:
How can we describe b) in the case of human interaction?
The modification of activity patterns in humans is based on:
a) Neonates attend to and imitate facial
expressions
b) Imitation of the adults action on outside objects (M. Tomasello)
c) Imitation of speech sounds
An example
Language structure might be an emergent property of c)
Conditions for language to evolve
a)The vocal tract
b) Brain regions for the production, ordering, and memory of speech sounds
c) Pathways that connet the phonological system with the conceptual system
d) The imitative scheme described above
Imitation might be based on the mirror system in the brain
Mirror neurons found in monkeys (G. Rizzolatti)
Evidence for their existence in humans (M. Jeannerod)
Suggestions for a more general function in humans (V. Gallese)
The mirror system ensures:
a) we attune to the expressions of the other
b) Our understanding of the others intentional act is embodied and immediate
Imitation
Different representations of
strategy and goal
Strategy ≠ goal
Embodied representations of different strategies for the same goal
Systems for comparing and choosing
Meta-reflection
Levels of representation
Meta-reflection on goal vs strategy
Goal
behavioral strategy (embodied schemes)
Motor schemes
The main occupation of the brain is
prediction
Meta-reflection is a consequenceof failed prediction
Prediction ≠ result
Awareness of the strategy
Counterfactual strategy
Counterfactual strategy
actual strategy
Comparisonreflection
Language
Different perspectives on the same situation
”you broke the window” vs. ”the window was broken”
Language
Communication
Embody different perspectives
Meta-cognition
Language
Speech repair
Attention to the act of speech
Reflection on the form of speech
Language
Meta-discourse
Embody external monitoring of behavior
Self-reflection
Literature:
Rizzolati, G. et al. (1988) Functional organization of inferior area 6 in the macaque monkey: II. Area F5 and the control of distal movements Exp. Brain Res. 71, 491-507
Decety, J.et al.(1997) Brain activity during observation of action. Brain, 120, 1763-1777
Jeannerod, M. (2003) Consciousness of action and self-consciousness. In Agency and self awareness: issues in philosophy and psychology (eds. J. Roessler and N. Eilan) Oxford University Press
Gallese, V. & Goldman, A. (1998) Mirror neurons and the simulation theory of mind-reading. Trends in Cognitive Science, 2: 493-501
Tomasello, M. (1999) The cultural origins of human cognition, Harvard University Press