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7510
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Connectionists say the mind is a general purpose learning device [Pinker]
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Full Idea:
Connectionists do not, of course, believe that the mind is a blank slate, but they do believe in the closest mechanistic equivalent, a general purpose learning device.
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From:
Steven Pinker (The Blank Slate [2002], Ch.5)
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A reaction:
This shows the closeness of connectionism to Hume's associationism (Idea 2189), which was just a minimal step away from Locke's mind as 'white paper' (Idea 7507). Pinker is defending 'human nature', but connectionism has a point.
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7513
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Is memory stored in protein sequences, neurons, synapses, or synapse-strengths? [Pinker]
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Full Idea:
Are memories stored in protein sequences, in new neurons or synapses, or in changes in the strength of existing synapses?
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From:
Steven Pinker (The Blank Slate [2002], Ch.5)
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A reaction:
This seems to be a neat summary of current neuroscientific thinking about memory. If you are thinking that memory couldn't possibly be so physical, don't forget the mind-boggling number of events involved in each tiny memory. See Idea 6668.
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8147
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We have an apparent and a true self; only the second one exists, and we must seek to know it [Anon (Upan)]
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Full Idea:
There are two selves, the apparent self, and the real Self. Of these it is the real Self (Atman), and he alone, who must be felt as truly existing. To the man who has felt him as truly existing he reveals his innermost nature.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Katha')
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A reaction:
A central Hindu doctrine against which Buddhism rebelled, by denying the self altogether. I prefer the Hindu view. A desire to abandon the self just seems to be a desire for death. Knowledge of our essential self is more interesting. But see Idea 2932!
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7509
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Roundworms live successfully with 302 neurons, so human freedom comes from our trillions [Pinker]
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Full Idea:
The roundworm only has 959 cells, and 302 neurons in a fixed wiring diagram; it eats, mates, approaches and avoids certain smells, and that's about it. This makes it obvious that human 'free' behaviour comes from our complex biological makeup.
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From:
Steven Pinker (The Blank Slate [2002], Ch.5)
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A reaction:
I find this a persuasive example. Three hundred trillion neurons cannot possibly produce behaviour which is more than broadly predictable, and then it is the environment and culture that make it predictable, not the biology.
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7512
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There are five types of reasoning that seem beyond connectionist systems [Pinker, by PG]
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Full Idea:
Connectionist networks have difficulty with the kind/individual distinction (ducks/this duck), with compositionality (relations), with quantification (reference of 'all'), with recursion (embedded thoughts), and the categorical reasoning (exceptions).
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From:
report of Steven Pinker (The Blank Slate [2002], Ch.5) by PG - Db (ideas)
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A reaction:
[Read Pinker p.80!] These are essentially all the more sophisticated aspects of logical reasoning that Pinker can think of. Personally I would be reluctant to say a priori that connectionism couldn't cope with these things, just because they seem tough.
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8155
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Without speech we cannot know right/wrong, true/false, good/bad, or pleasant/unpleasant [Anon (Upan)]
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Full Idea:
If there were no speech, neither right nor wrong would be known, neither the true nor the false, neither the good nor the bad, neither the pleasant nor the unpleasant.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Chandogya')
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A reaction:
This could stand as the epigraph for the whole of modern philosophy of language. However, the text goes on to say that mind is higher than speech. The test question is the mental capabilities of animals. Do they 'know' pleasure, or truth?
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7505
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Many think that accepting human nature is to accept innumerable evils [Pinker]
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Full Idea:
To acknowledge human nature, many think, is to endorse racism, sexism, war, greed, genocide, nihilism, reactionary politics, and neglect of children and the disadvantaged.
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From:
Steven Pinker (The Blank Slate [2002], Pref)
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A reaction:
The point is that modern liberal thinking says everything is nurture (which can be changed), not nature (which can't). Virtue theory, of which I am a fan, requires a concept of human nature, as the thing which can attain excellence in its function.
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8153
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By knowing one piece of clay or gold, you know all of clay or gold [Anon (Upan)]
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Full Idea:
By knowing one lump of clay, all things made of clay are known; by knowing a nugget of gold, all things made of gold are known.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Chandogya')
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A reaction:
I can't think of a better basic definition of a natural kind. There is an inductive assumption, of course, which hits trouble when you meet fool's gold, or two different sorts of jade. But the concept of a natural kind is no more than this.
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8154
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Originally there must have been just Existence, which could not come from non-existence [Anon (Upan)]
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Full Idea:
In the beginning there was Existence, One only, without a second. Some say that in the beginning there was non-existence only, and that out of that the universe was born. But how could such a thing be? How could existence be born of non-existence?
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Chandogya')
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A reaction:
A very rare instance of an argument in the Upanishads, arising out of a disagreement. The monotheistic religions have preferred to make God the eternal element, presumably because that raises his status, but is also explains the start as a decision.
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8148
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Brahma, supreme god and protector of the universe, arose from the ocean of existence [Anon (Upan)]
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Full Idea:
Out of the infinite ocean of existence arose Brahma, first-born and foremost among the gods. From him sprang the universe, and he became its protector.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Mundaka')
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A reaction:
Brahma does not have eternal (or necessary) existence. Could Brahma cease to exist? I suppose we cannot ask what caused the appearance of Brahma? Is it part of a plan, or just luck, or some sort of necessity?
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8152
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Earth, food, fire, sun are all forms of Brahman [Anon (Upan)]
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Full Idea:
Earth, food, fire, sun - all these that you worship - are forms of Brahman.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Chandogya')
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A reaction:
In 'Taittiriya' food is named as the "chief of all things". Pantheism seems to arise from a desire that one's god should have every conceivable good, so in addition to power and knowledge, your god must keep you warm and healthy.
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8156
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The gods are not worshipped for their own sake, but for the sake of the Self [Anon (Upan)]
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Full Idea:
It is not for the sake of the gods, my beloved, that the gods are worshipped, but for the sake of the Self (Atman).
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Brihadaranyaka')
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A reaction:
There is an uneasy selfish streak in all religions, which conflicts with their exhorations to altruism, and to the love of the gods. It also occurs in the exhortation of Socrates to be virtuous. 'Pure' altruism seems only to arise in the 18th century.
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8157
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A man with desires is continually reborn, until his desires are stilled [Anon (Upan)]
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Full Idea:
A man acts according to desires; after death he reaps the harvest of his deeds, and returns again to the world of action. Thus he who has desires continues subject to rebirth, but he in who desire is stilled suffers no rebirth.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Brihadaranyaka')
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A reaction:
I greatly prefer the Stoic idea (Idea 3066) that we should live according to nature, to this perverse longing to completely destroy our own nature and become something we are not. Play the cards you are dealt, which include desires.
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8150
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The immortal Self and the sad individual self are like two golden birds perched on one tree [Anon (Upan)]
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Full Idea:
Like two birds of golden plumage, the individual self and the immortal Self perch on the branches of the same tree. The individual self, deluded by forgetfulness of his identity with the divine self, bewildered by his ego, grieves and is sad.
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From:
Anon (Upan) (The Upanishads [c.950 BCE], 'Mundaka')
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A reaction:
Hinduism gives a much clearer and bolder picture of the soul than Christianity does. I don't see much consolation in the immortality of the wonderful Self, if my individual self is doomed to misery and extinction. Which one is me?
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