On Mon, Jul 29, 2019 at 8:49 PM Jason Resch <[email protected]> wrote:

> On Fri, Jul 26, 2019 at 8:09 PM Bruce Kellett <[email protected]>
> wrote:
>
>> On Sat, Jul 27, 2019 at 7:10 AM Jason Resch <[email protected]> wrote:
>>
>>> On Fri, Jul 26, 2019 at 12:44 AM 'Brent Meeker' via Everything List <
>>> [email protected]> wrote:
>>>
>>>>
>>>> On Fri, Jul 26, 2019 at 2:42 PM Jason Resch <[email protected]>
>>>> wrote:
>>>>
>>>> For example, you could, over time, change neuron by neuron, until you
>>>> looked like and had the mind of Julius Caesar.
>>>>
>>>> I think these thought experiments need to be more carefully
>>>> considered.  I don't think it is nomologically possible to give you the
>>>> mind of Julius Caesar by transferring on neuron at a time.  That would
>>>> entail intermediate stages in which neurons were connected neither as yours
>>>> were nor as Caesar's were, and less obviously the same goes for the
>>>> connections of the body cells.  It is too cheap to just say "at the
>>>> appropriate substitution level".
>>>>
>>>
>>> It's a given that the intermediate stages are neither like you nor like
>>> Caesar. But if you can remain conscious/alive during the process, then
>>> "what happened to you", "did you die in the transformation?", etc.
>>>
>>
>> That's rather a big "if". It seems to me that one important difference
>> between your mind and that of Julius Caesar is the connections between
>> neurons. Just replacing one neutron at a time is not going to create/change
>> the necessary connections. Besides, do you have any evidence that any two
>> minds have exactly the same number of neurons? Piecewise replacement of
>> neurons will almost certainly destroy consciousness, even life -- the
>> intermediate stages will not correspond to any conscious or living person.
>>
>
> The neuron replacement includes creating the appropriate connections (as
> well as adding or subtracting neurons if necessary).
>

That is not a well-defined procedure -- too many ambiguities remain.


>  Over time you can slowly morph one person's brain into another, if the
> brain is a just a physical object, then physical objects can be changed,
> sometimes radically.  We may lack the technology now, but this is already
> possible today in software implementations of neural nets.
>

That does not demonstrate that the intermediate stages correspond to
anything sensible.


> Nothing prevents making adjustments to such a software neural net one
> connection at a time, until one "mind" becomes a totally different "mind".
> In fact alphago began with an entirely randomized neuron net, which though
> training was adjusted one neuronal connection weight at a time.
>

Are you sure that it was just one connection weight at a time?

Bruce

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