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FLOCK THEORY

Emergent self-organisation
  in human interaction
FLOCK THEORY


Flock Theory models the flight of birds.

Flock theory has been used to explain
cooperative evolution in human interactions.
JAMMING

Eisenberg defines jamming (as used by jazz musicians) as
• fluid behavioural coordination
• that occurs without detailed knowledge of personality

Preconditions: skill, structure, setting, surrender, reward risk,
               engage respectfully, no dominant leadership,
               autonomous group ensures influx of novel ideas
Outcomes:
• balance between autonomy and interdependence
• nondisclosive but fulfilling route to community
• closeness without self-consciousness
JAMMIMG VIDEO


    To see what jamming looks like,
watch this video of Voxnorth improvising

      http://vimeo.com/9347037
AUTOPOIESIS (Humberto Maturana)
Autopoiesis = recursive self-reproduction of system components
An autopoietic system (e.g. a biological cell):
• is an assembly of organized bounded structures
• that uses external flows of resources and by-products
• to produce the components which, in turn,
   – maintain the organized bounded structure
   – that is the autopoietic structure
SO:
• resources come and go,
• components are created and may die,
BUT the structure continues through time
SIMULATING A FLOCK OF BIRDS

A flock exhibits many contrasts:
  – It is made up of discrete birds,
      yet overall motion seems fluid
  – It is simple in concept
      yet is so visually complex
  – It seems randomly arrayed,
      yet is magnificently synchronized.
  – Most puzzling is the impression of intentional,
    centralized control
                               (Reynolds 1987)
FLOCK OF STARLINGS


              To experience
    ‘an impression of intentionality’,
  watch this video of a flock of starlings:

http://www.youtube.com/watch?v=81wFZavdhPU
AXIOMS and TENETS
Axiom 1:       Tenet A: (Extreme Cohesion)
Distance       Separation; close but not too close
Optimization   Tenet B: (Extreme Dissenters)
               Cohesion; far but not too far
Axiom 2:       Tenet A: (Goals)
Motion         Direction Matching; match direction of group members
Replication    Tenet B: (Tempo)
               Velocity Matching; match velocity of group members
Axiom 3:       Tenet A: (Passing the Gavel)
Leadership     Group leadership must shift, efficiently & in time
maintenance Tenet B: (Purpose)
            Leaders must guide group towards goal or destination
AXIOMS

Distance Optimisation
Motion Replication
Leadership Maintenance

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Flock theory

  • 2. FLOCK THEORY Flock Theory models the flight of birds. Flock theory has been used to explain cooperative evolution in human interactions.
  • 3. JAMMING Eisenberg defines jamming (as used by jazz musicians) as • fluid behavioural coordination • that occurs without detailed knowledge of personality Preconditions: skill, structure, setting, surrender, reward risk, engage respectfully, no dominant leadership, autonomous group ensures influx of novel ideas Outcomes: • balance between autonomy and interdependence • nondisclosive but fulfilling route to community • closeness without self-consciousness
  • 4. JAMMIMG VIDEO To see what jamming looks like, watch this video of Voxnorth improvising http://vimeo.com/9347037
  • 5. AUTOPOIESIS (Humberto Maturana) Autopoiesis = recursive self-reproduction of system components An autopoietic system (e.g. a biological cell): • is an assembly of organized bounded structures • that uses external flows of resources and by-products • to produce the components which, in turn, – maintain the organized bounded structure – that is the autopoietic structure SO: • resources come and go, • components are created and may die, BUT the structure continues through time
  • 6. SIMULATING A FLOCK OF BIRDS A flock exhibits many contrasts: – It is made up of discrete birds, yet overall motion seems fluid – It is simple in concept yet is so visually complex – It seems randomly arrayed, yet is magnificently synchronized. – Most puzzling is the impression of intentional, centralized control (Reynolds 1987)
  • 7. FLOCK OF STARLINGS To experience ‘an impression of intentionality’, watch this video of a flock of starlings: http://www.youtube.com/watch?v=81wFZavdhPU
  • 8. AXIOMS and TENETS Axiom 1: Tenet A: (Extreme Cohesion) Distance Separation; close but not too close Optimization Tenet B: (Extreme Dissenters) Cohesion; far but not too far Axiom 2: Tenet A: (Goals) Motion Direction Matching; match direction of group members Replication Tenet B: (Tempo) Velocity Matching; match velocity of group members Axiom 3: Tenet A: (Passing the Gavel) Leadership Group leadership must shift, efficiently & in time maintenance Tenet B: (Purpose) Leaders must guide group towards goal or destination