Re: Commonalities across synaesthetes

On 5 May, 12:52, Lance <LanceG...@xxxxxxxxx> wrote:
On May 5, 12:33 am, Dave Smith <da...@xxxxxxxxxxxxxxxxxxxxxx> wrote:





On 4 May, 23:10, Lance <LanceG...@xxxxxxxxx> wrote:

Dave Smith wrote:

What learning conditions in infancy would result in the hearing of
particular uncommon sounds being paired with the experiencing of
particular uncommon colours?

Just being alive and living in an environment containing a particular
language, I guess.

Sorry, but I still don't understand.  If such learning was occurring,
it seems to me that uncommon sounds as well as common sounds would
tend to pair with common colours. If an 'a' sound paired with red,
might not a 'v' sound subsequently also pair with red --  the one
pairing wouldn't block the other, would it?

Still, it doesn't seem to be as random as Gray thought.

Not random, just 'hard-wired'.

Dave

Hmm. To be 'hard-wired' all languages would have to have the same
ordering for common sounds. But different languages order sounds
differently. The most common letter in English is not the same as the
most common letter in French. Therefore the above research does show
an environmental impact on synaesthesia.

Lance- Hide quoted text -

- Show quoted text -

Obviously, 'hard-wired' is just a metaphorical expression. It is
applied to brains rather than languages, to indicate that the
structure in question isn't altered much by normal environmental
variation. Of course, no two human brains are sructurally identical.
Gray's claim is that "word-colour synaesthesia is most likely due to
an extra, abnormal, left-lateralised projection from cortical language
systems to the colour-selective region (V4) of the visual system".
People (mostly women) with this abnormal projection are presumably
born that way. The exact pattern of the 'sparking over' that
activates V4 is idiosyncratic. If you are maintaining that the pattern
of sparking over is systematically modified by environmental
conditions, can you specify how this might occur?

Dave
.

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