Giorgio Vallortigara

Cervello di gallinaUna finestra sulla natura umana

Hollard and Delius (1982) Science

Maguire et al. (2000) PNAS

Tempo trascorso come guidatore di taxi (mesi)

Grandezza dell’ippocampoposteriore

0 50 100 150 200 250 300 350 4000

4

2

0

-2

-4

-6

Object permanenceObject permanence

THE DELAYED RESPONSE TASK:TESTING (day 5)

20 separate trials were given to each chickinter-trial interval = 10sec

Correct choices %

0102030405060708090

Control Group Experimental Group

30

40

50

60

70

80

90

Delay= 0 sec

Delay= 10 sec

Co

rrec

t ch

oic

e

%

Sham-operated NCL-lesioned

Chiandetti and Vallortigara, subm.

90°

45°10°

45°

80°10°

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\pigeon_insight.mov.flv

The difference in mind between humansand the higher animals, great as it is, certainly is one of degree not kind.

C. Darwin (1882) The Descent of Man

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\Crows 1.mov

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\attempts to remove the mark by magpie.wmv

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\attempts to reach the mark with the beak by magpie.wmv

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\water_peanut.flv

Rooks 1

Rooks 2

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\Scimpanz<E9> numerale visibile.mpeg

C:\Documents and Settings\Giorgio\Desktop\Video scientifici\Scimpanz<E9> numerale mascherato.mpeg

Let’s dance!