Lecture @ Physical Education Academy, Katowice, Poland, 2014

1. Uncovering
relevant
informa0on
guiding
sports
performance
Pedro
Tiago
Esteves
2014

2. Aim
To
show
which
informa0on
may
be
guiding
goal-­‐
directed
behaviours
in
different
sport
contexts
of
performance.

3. Individual
(animal)
goal-­‐directed
ac0ons

4. Individual
(animal)
goal-­‐directed
ac0ons

5. Collec0ve
(animal)
goal-­‐directed
ac0ons

6. Individual
(human)
goal-­‐directed
ac0ons

7. Individual
(human)
goal-­‐directed
ac0ons

8. Collec0ve
(human)
goal-­‐directed
ac0ons

9. Collec0ve
(human)
goal-­‐directed
ac0ons

10. How
to
explain
human
goal-­‐
directed
behaviour?

11. XVII
Inate
valoriza0on
XX
Behaviorism
Cogni0vism
Adams
(1971)
Gibson
(1966)
Schmidt
(1975)
Bernstein
(1967)
Models
explaining
human
behaviour
Ecological
Psychology
Informa2on-­‐
Processing
Theory

12. “Egocentrism”
Richardson
et
al.
(2008)
Models
explaining
human
behaviour

13. Models
explaining
human
behaviour
(Schmidt
&
Wrisberg,
2000)
Informa0on
Processing
Model

14. Ecological
niche
to
collec0ves
Marsh
et
al.
(2008)
Ecological
Psych

15. Percep0on-­‐ac0on
coupling
Richardson
et
al.
(2008)
Handbook
of
cogni2ve
science
specification

16. Op0cal
flow

17. Op0cal
flow

18. Op0cal
flow

19. Dynamics
of
percep0on-­‐ac0on
Warren
(2006)
Psych
Review

20. Constraints-­‐led
approach
Newell
(1996);
Araújo
et
al.
(2004)
Ecological
Psych

21. How
to
explain
human
goal-­‐
directed
behaviour
in
sports?

22. Esteves
et
al.,
(2011)
Psychology
of
Sport
and
Exercise
How
does
feet
posi0on
of
the
defender
influences
adacker’s
drive
in
basketball?

23. Feet
posi)on
of
defender
and
drive
direc)on
of
the
a2acker

24. 1v1
(n=32)
3
condi0ons
2
exper0se
groups
(novice
and
intermediate)
Feet
posi)on
of
defender
and
drive
direc)on
of
the
a2acker

25. i)
Iden0fica0on
when
adacker
started
a
drive
to
the
basket;
ii)
Semi-­‐manual
digi)za)on
of
adackers
and
defenders’
feet
(WinAnalyze);
iii)
Interpersonal-­‐distance
cut-­‐off
(Mean
+/-­‐
1
SD):
small
and
large
Feet
posi)on
of
defender
and
drive
direc)on
of
the
a2acker

26.
Drive
direc)on
related
to
the
side
of
most
advanced
foot
220
230
240
250
260
270
280
290
Novice
Intermediate
lemward
drives
rightward
drives
Posture
of
defender
(degrees)
Feet
posi)on
of
defender
and
drive
direc)on
of
the
a2acker

27.
Intermediate
adackers
concealed
upcoming
drive
direc)on
220
230
240
250
260
270
280
290
Novice
Intermediate
lemward
drives
rightward
drives
Posture
of
adacker
(degrees)
Feet
posi)on
of
defender
and
drive
direc)on
of
the
a2acker

28. Duarte
et
al.,
(2010)
The
Open
Sports
Science
Journal
How
does
interpersonal
distance
influences
adacker’s
moves
in
football?

29. 1v1
(n=6)
Under
13
year-­‐old
5
trials
x
4
interp.
dist.
(1,
1.5,
2
and
2.5m)
Interpersonal
distance
and
a2acker’s
moves
Variables:
-­‐ Interpersonal
distance;
-­‐ Rela0ve
velocity;

30. i)
Manually
tracking
players
with
mouse
cursor
(TACTO);
ii)
Somware
computes
over
0me
virtual
coordinates
iii)
Transforma0on
of
virtual
coordinates
to
real
coordinates;
Interpersonal
distance
and
a2acker’s
moves

31. Rela)ve
velocity
and
interp.
dist.
related
to
symmetry-­‐
breaking
Interpersonal
distance
and
a2acker’s
moves

32. Esteves
et
al.,
(submiDed)
How
does
alignment
to
defender
influences
drive
direc0on
of
the
adacker?

33.
1v1
(n=4)
right-­‐handed,
novices
3
trials
x
9
areas
of
rela0ve
posi0on
x
2
sequences
Success
of
1v1
from
the
adackers
perspec0ve
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

34. i)
Manually
tracking
players
with
mouse
cursor
(TACTO);
ii)
Somware
computes
over
0me
virtual
coordinates;
ii)
Virtual
coordinates
transformed
to
real
coordinates;
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

35. Adacker-­‐defender-­‐
basket
angle
(ADB)
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

36.
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

37.
-­‐ Mean
ADB;
-­‐ Angular
Velocity
(ADB);
-­‐ Success
of
adacker
1v1;
Variables:
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

38.
Success:
explora0on
of
lem
side,
on
the
center
of
court,
with
great
angular
velocity
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

39.
Success
Angular velocity
ADB angle
Increase
of
ABD
and
angular
velocity
favors
symmetry-­‐breaking
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

40.
Failure
Angular velocity
ADB angle
Inability
of
increasing
ABD
and
angular
velocity
Alignment
to
defender
and
drive
direc)on
of
the
a2acker

41. Spa0al-­‐temporal
con0nuum
Adacker
Defender
1v1
Interpersonal
distance
Posture
Adacker-­‐
defender-­‐basket
alignment
Angular
velocity
Rela0ve
posi0on
to
the
basket

42. Thank
you
for
your
aden0on!
ptesteves@ipg.pt
ptesteves@gmail.com