Emotioner

1
Emotioner

• Thomas Krabben
• Helle Hald

2
Hvad er emotions

• Inspiret by Darwin and Ekman
• Emotions are evolutionary adaptations, as they
  enhance an organism's ability to experience and
  evaluate its environment and thus increase its
  likelihood to survive and reproduce, by providing
  the simplest plans
• (fortsættes næste slide )

3
Hvad er emotions (2)

• for evolutionary most common actions needed, such
  as approaching or avoiding (in)digestible
  objects, fighting for it with other organisms or
  running away if the other organism is too
  powerful (anger vs. fear), and forming or loosing
  cooperative ties based on reciprocal altruism
  (gladness vs. sadness) with other organisms.
• (forsættes næste slide)

4
Hvad er emotions (3)

• In addition, emotions serve important functions
  in animal communication (between or within
  species). Wikipedia (2008)

5
Historien om emotions

• 1890 The James Lange Theory Emotions are
  aspects of what a person does In fear, we run.
  In greef, we weep. It is the action that sparkles
  the emotion.
• 1927 Cannon_ Emotions are associated with bodily
  responses (autonomic responses)

6
Historien om emotions (2)

• 1962 Schacter and Singer Elements of cognitive
  apraisal and interpretation of the context are
  involved in the emotional experience
  (attribution-of-arousel theory)

7
Det limbiske system

• - centrum for emotioner, regulering af søvn,
  appetit og seksualfunktion

8
Hjernens opdeling i grove træk- iflg. MacLean
(1970)

• Hjernestammen
• Det limbiske system
• Storhjernen

9
Model Hjernens opdeling
10
Amygdala- den centrale struktur for betinget
frygt
Model Le Doux (canadisk hjerneforsker), 1995
11
Amygdala

• Hvad sker der
• Betinget og ubetinget stimulus (Pavloviansk eller
  klassisk betingning
• Signal til Amygdala
• Aktivering af det autonome nervesystem
• Organismen udrustes optimalt (flygte/kæmpe imod
• Visuel konstatering af farens omfang
• Storhjernen sender signal til Amygdala
• Langsom, gradvis aftagen af frygten

12

Amygdala

• Kun særlige sanseindtryk fører til en sådan
  øjeblikkelig aktivering af amygdala. De urgamle
  angstsignaler er
• -Farlige dyr-Højder-Små lukkede rum-Mødet med
  ukendte mennesker