2min chapter

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BI 156 Mariam Aly: Memory, Attention, and Perception

Brain Inspired

CHAPTER

Is It Modularity?

There are some systems in the brain that maybe show a bias to communicate with each other. But I don't think that information processing then has a one-to-one mapping with a type of cognition. So even if there are some systems that are more connected or more coupled than others, it doesn't mean they're not also sharing information and receiving information from the other networks. It's a challenge because when you're first discovering a particular phenomenon, it's very reasonable to try to understand what is this brain area doing and what is it not doing.

00:00
Speaker 2
Yeah, it's modular and it's not. So you can have modularity in terms of particular areas that are more likely to form networks with each other than others or different
Speaker 1
brain states that you might switch between. But I don't think those modules map on to discrete cognitive processes,
Speaker 2
that you don't have one network that only does
Speaker 1
memory and nothing else or a network that only does perception and nothing else. And those networks communicate. So even if there are some systems
Speaker 2
that are more connected or more coupled than others, it doesn't mean that they're not also sharing information and receiving information from the other networks.
Speaker 1
So in that sense, there is some modularity. There are
Speaker 2
some systems in the brain that maybe show a bias to communicate with each other or might be preferentially associated with some types of information processing.
Speaker 1
But I don't think that information processing then has a one-to-one mapping with a type of cognition.
Speaker 2
So for example, I think relational representations are a
Speaker 1
very important aspect of a sample function.
Speaker 2
But these relational representations can be used for perception and memory and problem solving and language and attention and
Speaker 1
creativity and lots of other domains. I was going to ask, what would we do different studying HM these days under that perspective?
Speaker 3
Yeah, it's
Speaker 2
a great question.
Speaker 1
It's a challenge because when you're first discovering a particular phenomenon, it's very reasonable
Speaker 2
to try to understand what is
Speaker 1
this brain area doing and what is it not doing and
Speaker 2
to study that using the particular tasks that are available to you at that time.

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