The next talk in the CDC seminar series will be given by:
Sabina Pauen, University of Heidelberg
Date: March 9, 2011, 5 PM
Location: Cognitive Development Center at CEU, Hattyú u. 14, 3rd floor
*Learning categories from observing others - A case of natural pedagogy?*
Abstract: Can infants understand that another person expresses interest for
a specific category of objects (rather than for an individual exemplar)? My
talk will provide evidence suggesting that this is the case.
All experiments to be presented follow the same general paradigm: An actor
is sitting behind two small boxes located left and right in front of her. On
each box, a 3-D object is placed. On the one side, this object represents an
animal and on the other side, it represents a vehicle. (These two global
categories were chosen because we already know that even 4 months olds can
discriminate them) The actor turns towards one of the two objects and looks
at it with an interested facial expression. Infants see a total of 11
different scenes that follow this script. In each scene, a new pair of
exemplars is presented, with the side of the animal / vehicle
counterbalanced across trials. On the first 10 trials, the actor always
turns towards the same kind of object, but at test, she turns toward the
exemplar of the contrasting category. To check whether infants realized that
the person changed the category of interest during the last trial, we
compared the mean looking time on the 10th and the 11th trial. A significant
increase in looking time was interpreted as indicating that infants realized
the change in category of interest.
Using this paradigm, we tested infants ranging from 7 to 12 months,
analyzing not only their looking time at test but also their looking
patterns (i.e. gaze following, checking). Furthermore, we systematically
manipulated social cues indicating the actors’ interest (i.e. contrasting
scenes involving gaze information only with scenes including reaching
behavior as well). We also ran a study replacing the actor by a desk-lamp
turning towards the target and flashing it. With respect to the theory of
natural pedagogy, two further studies seem of special interest: In one
experiment, the actor did not establish eye-contact with the child before
turning towards the target. In the other study, two actors were presented
simultaneously, each focusing on one specific category, but exchanging their
focus of interest at test.
In my talk, I will describe the above-mentioned studies in more detail. In
addition, implications of our findings for the theory of natural pedagogy as
well as some promising lines of future research involving our paradigm will
be discussed.
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The CEU Department of Philosophy cordially invites you to a talk
(as part of its Departmental Colloquium series)
by
Peter Goldie (University of Manchester)
on
Art and Rhetoric
Tuesday, 8 March, 2010, 4.30 PM, Zrinyi 14, Room 412
ABSTRACT
Some art aims to persuade the viewer or audience of certain ethical or
political views—Picasso’s Guernica is an example. I aim to consider the
quasi-rhetorical persuasive powers which art of this kind has that are
analogous to the persuasive powers of rhetoric proper, as found in
oratory. I will ask what we can learn about the persuasive powers of art
from thinking about it as quasi-rhetoric.
Peter Goldie is The Samuel Hall Chair in Philosophy at The University
of Manchester. His main philosophical interests are in the philosophy of
mind, ethics and aesthetics, and particularly in questions concerning
value and how the mind engages with value. He is the author of The
Emotions: A Philosophical Exploration (OUP 2000), and On Personality
(Routledge, 2004), and co-author of Who’s Afraid of Conceptual Art?
(Routledge 2010). Forthcoming from OUP in 2011 are two co-edited
volumes: Empathy: Philosophical and Psychological Perspectives; and The
Aesthetic Mind. He is writing a book for OUP on narrative thinking and
emotion.
Dear Dr. Qwerty:
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NOW PROCESSING COMMENTARY PROPOSALS ON:
Target Article: "Reciprocity: Weak or Strong? What Punishment Experiments Do (and Do Not) Demonstrate"
Author: Francesco Guala
Deadline for Commentary Proposals: March 22, 2011
Abstract: Economists and biologists have proposed a distinction between two mechanisms - "Strong" and "Weak" Reciprocity - that may explain the evolution of human sociality. Weak Reciprocity theorists emphasize the benefits of long-term cooperation and the use of low-cost strategies to deter free riders. Strong Reciprocity theorists in contrast claim that cooperation in social dilemma games can be sustained by costly punishment mechanisms, even in one-shot and finitely repeated games. To support this claim, they have generated a large body of evidence concerning the willingness of experimental subjects to punish uncooperative free riders at a cost for themselves. In this paper I distinguish between a "narrow" and a "wide" reading of the experimental evidence. Under the narrow reading, punishment experiments are just useful devices to measure psychological propensities in controlled laboratory conditions. Under the wide reading, they replicate a mechanism that supports
cooperation also in "real-world" situations outside the laboratory. I argue that the wide interpretation must be tested using a combination of laboratory data and evidence about cooperation "in the wild". In spite of some often-repeated claims, there is no evidence that cooperation in the small egalitarian societies studied by anthropologists is enforced by means of costly punishment. Moreover, studies by economic and social historians show that social dilemmas in the wild are typically solved by institutions that coordinate punishment, reduce its cost, and extend the horizon of cooperation. The lack of field evidence for costly punishment suggests important constraints about what forms of cooperation can or cannot be sustained by means of decentralised policing.
Keywords: Reciprocity; Punishment; Cooperation; Experiments; Evolution.
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