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Volume 04 of W. Ross Ashby's Journal
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1939
Volume 04
0684+03 0684+04
0684+05 0684+06
0685 0686
0687 0688
0689 0690
0691 0692
0693 0694
0695 0696
0697 0698
0699 0700
Genes
Organisation after amputation
Oddments [11]: Stability of organisation 0982, examples 0701, 0606.
Environment genes as
0701 0702
0703 0704
0705 0706
0707 0708
0709 0710
0711 0712
Heredity and function rules
0713 0714
0715 0716
0717 0718
0719 0720
0721 0722
0723 0724
0725 0726
0727 0728
0729 0730
0731 0732
Equilibrium fresh start!
0733 0734
0735 0736
0737 0738
Equilibrium new equations
Organisation to calculate stability of
0739 0740
Neutral point (of equilibrium - including 'cycle', 'region' etc.)
0741 0742
0743 0744
Oscillation of stable system
0745 0746
0747 0748
Higher geometry of fields and matrix theory [15]: If EQUATION, with roots r1,...,rn, to find ∂rp/∂aSt, 0750, 1824. i.e. effect of coefficient on a root. Example 2066, 2401.
0749 0750
Organisation joining two organisations
0751 0752
0753 0754
0755 0756
0757 0758
Organisation must grow
0759 0760
1940
Gestalt physical gestalten
0761 0762
0763 0764
0765 0766
Impulse pattern "density" of
Impulse, nervous "density" of
0767 0768
Equilibrium of simple circuit
0769 0770
0771 0772
Equilibrium new equations
0773 0774
Organisation joining two organisations
0775 0776
Equilibrium test for
Organisation change of
0777 0778
Organisation degree of
Memory as organisation
0779 0780
Environment must have "continuity"
Gestalt partial
Learning environment must be
Signal nature of
Stimulus signals
Adaptation environment must be right
Continuity necessary in environment
0781 0782
Gestalt continuity in
Differentiation in learning
0783 0784
Organisation of environment
Signal nature of
Reflex, conditioned
0785 0786
Impulse pattern "density" of
Stimulus nature of constant stimulus
Cortex, removal of nest making after
Gestalt stimulus in
Mathematics of organisation
Stimulus must be Gestalt
0787 0788
Organisation Humphrey on
Relation essence of organisation
0789 0790
0791 0792
Chatelier, Rule of Le
Equilibrium
Homeostasis Regulation
Neutral point (of equilibrium - including 'cycle', 'region' etc.) moving
0793 0794
Feeding
Inhibition
Neutral point (of equilibrium - including 'cycle', 'region' etc.) moving
Plasticity of reaction
Reactions plasticity of
Death as an equilibrium
Instinct, sex peculiarity of
Learning
0795 0796
Adaptation -
Reactions modification of
Habituation
Integration (physiological) memory as
Memory as organisation in time
Reflex, conditioned
Space-time and learning
0797 0798
Fatigue and habituation
Stimulus essential property of
Reflex, conditioned not formed
0799 0800
Energy use of
Equilibrium and self preservation
Plasticity of reaction
Environment must be "orderly"
0801 0802
Gestalt operators and
Operator as relation
Organisation of operators
Relation as operator
Impulse pattern and organisation
Neuron essential function
0803 0804
Equilibrium and "stimulus"
Gestalt
Stimulus essential property of
0805 0806
Nirvanophilia is wrong
0807 0808
Evolution as law and chance
0809 0810
Equilibrium "in exhaustion"
Equilibrium and group
Gestalt as stabiliser
Group (mathematical) as stabiliser
Operator as generators
0811 0812
Entropy and learning
Equilibrium and entropy paradox
Learning and entropy
Reversible process and learning
Organisation spread of
0813 0814
Organisation stable
0815 0816
Equilibrium as vector field singularily
Field (of substitution)
Neutral point (of equilibrium - including 'cycle', 'region' etc.) examples
0817 0818
Stimulus pattern and equilibrium
Death as an equilibrium
0819 0820
Organisation change of
Reactions to pattern
0821 0822
Organisation important variables
Variable central
Group (mathematical) of optical illusion
Operator of optical illusion
0823 0824
Stimulus never zero
0825 0826
Adaptation comes after learning
Learning before adaptation
Organisation adaptation of
Organisation specification of
Neutral point (of equilibrium - including 'cycle', 'region' etc.) examples
0827 0828
Group (mathematical) = structure, pattern
Operator and orgaisation
Organisation two meanings
Space-time and patterns
Equilibrium characteristics of
Pattern (in general) as group-structure
0829 0830
Adaptation as probability
Probability of survival
0831 0832
Environment perfect
Group (mathematical) existence of
0833 0834
Equilibrium test for
0835 0836
0837 0838
Neutral point (of equilibrium - including 'cycle', 'region' etc.) examples
0839 0840
Stimulus essential property of
0841 0842
Organisation change of
0843 0844
Group (mathematical) finite continuous
Organisation parameters of
Parameter of organisation
0845 0846
0847 0848
Equilibrium in space-time
Reflex and group
0849 0850
Inhibition and organisation
Organisation parameters of
Parameter of organisation
Stimulus group structure of
Nirvanophilia is wrong
0851 0852
Equilibrium by inhibition
Reflex, conditioned
Group (mathematical) calculating machine as
Organisation in group
0853 0854
Excitation and organisation
Organisation parameters of
Parameter of organisation
0855 0856
1941
Levels and organisation
Summary: Had my severe illness here. Was it febrile reaction to enormous cortical readjustment? I don't know. But it felt as if I had "swallowed a rainbow". And the next page contains the essential discovery.
Adaptation essential nature of
Dominance another type
Nirvanophilia basis of
0857 0858
Summary: Suppose the cortex is a 'representation' of the environment, i.e. corresponding to events in the periphery (stimuli, reactions) there are events in the cortex. Nothing new in this idea. But suppose that the cortex is more 'sensitive', so that if the periphery is being driven out of its range of stability the corresponding variable in the cortex will break first, i.e. get outside its range of stability, and thus switch to another portion of the field (817), and change partially to another organisation.
Cortex as 'sensitive'
Reactions right and wrong
Reflex, conditioned
Equilibrium by cortex 'breaking'
Isomorphism of cortex and environment
Neuron death of
Pain and organisation
Reflex, conditioned
0859 0860
Group (mathematical) orderliness
Organisation spread of
Structure interlocking
0861 0862
Cortex, visual
Signal vision as
Structure interlocking
Vision mostly signals
Isomorphism ? group necessary
0863 0864
Break of organisation
Energy free energy
Organisation break of
Group (mathematical) of groups
Isomorphism and representations
0865 0866
Transformation of a representation
0867 0868
Pain must increase continuously
0869 0870
Group (mathematical) basic
Hallucination and isomorphism
Isomorphism and neurosis
Pattern (in general) and neurosis
0871 0872
Dream isomorphism in
Isomorphism in dream
0873 0874
Isomorphism almost isomorphism
Vision binocular
0875 0876
0877 0878
Entropy and organisation
Organisation and entropy
Organisation two meanings
0879 0880
Equilibrium and entropy
Operator and entropy
Equilibrium in cycle
Neutral point (of equilibrium - including 'cycle', 'region' etc.) as cycle
0881 0882
0883 0884
Group (mathematical) and equilibrium
Neutral point (of equilibrium - including 'cycle', 'region' etc.) examples
Brain 'break' in
Break of organisation
Organisation break of
0885 0886
Cortex as 'sensitive'
Fatigue and brain
Adaptation in breaks
0887 0888
0889 0890
Jacobian (determinant) of machine
Break of organisation
Organisation break of
Organisation irreversible
0891 0892
0893 0894
Field (of substitution)
Memory as break
Trial and error optimal method
0895 0896
Break surface
Critical surface defined
0897 0898
0899 0900
Group (mathematical) and machine
Organisation in group
0901 0902
Behaviour change of organisation as behaviour
Organisation change of
Reactions by change of organisation
0903 0904
Operator = machine
Organisation machine = substitution operator
Organisation specification of
Substitution (mathematical) specifies machine
Break in machine
Break surface
Neutral point (of equilibrium - including 'cycle', 'region' etc.) defined
0905 0906
Dominance test for
Organisation simultaneity of
0907 0908
Organisation two meanings united
Pattern (in general) as group-structure
Adaptation an illusion
Environment must be "orderly"
Intelligence is blind
Neutral point (of equilibrium - including 'cycle', 'region' etc.) in a pattern
0909 0910
Reflex, conditioned is not intelligent
Amoeba can learn
Learning in Amoeba
Memory in Protozoa
Signal and environment
0911 0912
Operator for reflex
Organisation machine = substitution operator
Reflex as operator
Stimulus group structure of
Substitution (mathematical) for reflex
0913 0914
Adaptation sensory adaptation
Neutral point (of equilibrium - including 'cycle', 'region' etc.) partial neutral point
Organisation for sensory adaptation
0915 0916
Entropy and sensory adaptation
Differential equation turned to operator
Group (mathematical) and machine
Isomorphism in machine
Operator = differential equation
Substitution (mathematical) as differential equation
0917 0918
Laplace's equation: [?^2V=0] not dynamic
Operator independent of time
Space-time and clairvoyance
Time and substitution operator
0919 0920
Adaptation statement
Break summary
0921 0922
Variable central
0923 0924
Organisation degree of
Organisation simultaneity of
Break example
0925 0926
Neutral point (of equilibrium - including 'cycle', 'region' etc.) effect of change of parameter
Dominance test for
Independence
Interaction definition
Organisation irreversible
Organisation number of types of
Time reversible machine
0927 0928
0929 0930
Levels mechanism of
Neutral point (of equilibrium - including 'cycle', 'region' etc.) control of
Reactions by change of organisation
0931 0932
Isomorphism exact definition
Stimulus pattern and equilibrium
Environment as parameter
Organisation and its environment
0933 0934
Affect of my problem
Equilibrium spread of
Levels
Problems mine
0935 0936
0937 0938
Adaptation sensory adaptation
Habituation organisation of
Delay (in substitution)
0939 0940
Neutral point (of equilibrium - including 'cycle', 'region' etc.) examples
Time two effects
0941 0942
Holism depends on time
Substitution (mathematical) some solutions
0943 0944
Environment as parameter
0945 0946
Speed and central nervous system wholeness
Break and delay
Delay (in substitution)
Field (of substitution) and delay
Organisation break of
0947 0948
Neuron internal equilibrium
Equilibrium test for
Field (of substitution) divergence of
0949 0950
0951 0952
Organisation splitting into parts
0953 0954
Dominance in organisation
Parameter finding
0955 0956
0957 0958
Summary: (1) It is impossible to say how much one variable depends on another. (2) The meaning of "dx'i/dxk" is given. (3) The Question "Does xi depend on xk" is meaningless. (4) New form of matrix test for dominance is given. (5) Definitions given of (a) xi-t curve depends on x0k, (b) xi-t curve is independant of x0k, (c) xi dominates xk, (d) "parameter".
Summary: I have decided in future to end the Sections with a Summary. It may perhaps force rather more tidiness into the ideas and will be useful for reference.
Dependence defined
Dominance definition
Independence defined
0959 0960
Dominance test for
Independence test for
Mathematics completing system
Matrix method
Parameter test for
0961 0962
Summary: Three methods are given for exploring a system of equations like 957 (top) in order to find parameters, and dominances using basically the method of 958 (top).
Dominance
0963 0964
Break and delay
Summary: If a field should alter its organisation, and particularly its dominances and independences, reversibly when a variable exceeds a given value, we may either look on it in this way, or (preferably) we may set up new and more comprehensive field equations treating it as one constant organisation. But see 1038 for a much improved statement.
Adaptation by break
Break theory
0965 0966
Summary: After a lot of breaking and final reaching of a neutral point, if we test it by displacing it a little and ask 'will it be stable' the answer is that if it is stable O.K., and if it is no longer stable, we've broken it. So who cares?
0967 0968
Summary: The use of diagrams like those of 940, 946, 967 are permissible only if they represent (a) immediate dependencies as given by the substitutions and subject to its restrictions, or (b) as completed diagrams (961) to represent final dominances etc, but not as both haphazardly. Completed diagrams may be used to typify an organisation (contrary to 928). Also an addendum to the method of 962.
Energy irrelevant
Summary: Our substitutions deal quite adequately with the idea of the free energy available to the brain and body - by ignoring it.
Levels timing of
0969 0970
0970+01 0970+02

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