Re: Difference between cognition and perception?

[Andy Graybeal <graybeal@xxxxxxxxxxxxx>]

sound and light can effect brainwave activity, at times this can be felt
explicitly but i would guess most times it isn't felt.  i think this
fits well with what you are talking about, i'd like to hear more about
the responses you get on this topic as well.

-andy

Andrew Bell wrote:

> There is an interesting recent paper by Rensink that distinguishes people's
> ability to "see" something explicitly and "feel" that something in the
> visual arena has changed. Rensink calls this mode of perception 'mindsight'
> (in analogy with blindsight) and it gives a good example of how, in about
> 30% of normal people, visual cognition can take place without visual qualia.
> He mentions audition, and says that a similar effect may occur: an event
> might generate a feeling of something having occurred without supplying a
> specific sound qualia.
>
> Could people on the list give examples where this appears to have happened?
>
>
> Andrew.
> ______
>
>
> R.A. Rensink (2004). Visual sensing without seeing. Psychological Science
> 15, 27-32
>
>
>
>
>
>
> > > > pallier <pallier@LSCP.EHESS.FR> 5:45:17 am Wednesday, 14 April 2004
> Woojay Jeon wrote:
>
>
>
> > I am wondering if anyone can clarify the exact difference between
> > "cognition" and "perception", at least in terms of acoustics, and also
> > provide some examples illustrating the difference?
>
> My opinion is that "perception" and "cognition" are not very useful
> concepts in information processing models.
>
> Of course, many models of the mind roughly distinguish between input
> modules, a central "executive" system, and "output systems". In this
> type of models, one may want to label 'perception' the processes
> implemented by the input modules, and 'cognition' the processes
> implemented by the central system. Yet, the real job of psychologists is
> to describe the processes and representations realized by the mind/brain
> (I make this statement after having wasted quite a bit of time trying to
> define precisely "perception" years ago... I would like to know if some
> disagree).
>
> Then, there is the question of consciousness.One may want to call
> 'Perception' the process which generates the qualia associated with an
> oject. (but subliminal perception generates no qualia...). Consciouness
> has become a "hot topic" during the last years, but I do not know if
> there are convicing IP models of qualia. Maybe your post will start an
> interesting discussion on this topic.
>
> Christophe Pallier