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The shifting architecture of cognition and brain function in older adulthood
Cognitive aging is often described in the context of loss or decline. Emerging research
suggests that the story is more complex, with older adults showing both losses and gains in …
suggests that the story is more complex, with older adults showing both losses and gains in …
Exploration versus exploitation in space, mind, and society
Search is a ubiquitous property of life. Although diverse domains have worked on search
problems largely in isolation, recent trends across disciplines indicate that the formal …
problems largely in isolation, recent trends across disciplines indicate that the formal …
An investigation of the cognitive and neural correlates of semantic memory search related to creative ability
Creative ideas likely result from searching and combining semantic memory knowledge, yet
the mechanisms acting on memory to yield creative ideas remain unclear. Here, we …
the mechanisms acting on memory to yield creative ideas remain unclear. Here, we …
[HTML][HTML] New perspectives on the aging lexicon
The field of cognitive aging has seen considerable advances in describing the linguistic and
semantic changes that happen during the adult life span to uncover the structure of the …
semantic changes that happen during the adult life span to uncover the structure of the …
[HTML][HTML] Quantifying flexibility in thought: The resiliency of semantic networks differs across the lifespan
Older adults tend to have a broader vocabulary compared to younger adults–indicating a
richer storage of semantic knowledge–but their retrieval abilities decline with age. Recent …
richer storage of semantic knowledge–but their retrieval abilities decline with age. Recent …
Random walks on semantic networks can resemble optimal foraging.
JT Abbott, JL Austerweil, TL Griffiths - 2015 - psycnet.apa.org
When people are asked to retrieve members of a category from memory, clusters of
semantically related items tend to be retrieved together. A recent article by Hills, Jones, and …
semantically related items tend to be retrieved together. A recent article by Hills, Jones, and …
From exploration to exploitation: A shifting mental mode in late life development
Changes in cognition, affect, and brain function combine to promote a shift in the nature of
mentation in older adulthood, favoring exploitation of prior knowledge over exploratory …
mentation in older adulthood, favoring exploitation of prior knowledge over exploratory …
Is the mind a network? Maps, vehicles, and skyhooks in cognitive network science
Cognitive researchers often carve cognition up into structures and processes. Cognitive
processes operate on structures, like vehicles driving over a map. Language alongside …
processes operate on structures, like vehicles driving over a map. Language alongside …
Quantifying the structure of free association networks across the life span.
We investigate how the mental lexicon changes over the life span using free association
data from over 8,000 individuals, ranging from 10 to 84 years of age, with more than 400 cue …
data from over 8,000 individuals, ranging from 10 to 84 years of age, with more than 400 cue …
Foraging in mind
People and other animals can search for information inside their heads. Where does this
ability come from, and what does it enable cognitive systems to do? In this article, we …
ability come from, and what does it enable cognitive systems to do? In this article, we …