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← Walking three or four times a week grew older adults' hippocampus by…
15 connected korrents · 9 moments on record from 9 Sept 2020 to 1 Sept 2026.
Everything filed under dementia
dementia
Everything filed under language learning
language learning
Everything filed under motivation
motivation
Everything filed under physics
physics Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed. Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed. Last stated 2 months ago
13 Jul 2026
AC
Alan Castel — holds since 2026-07-13 — tap for who they are
Same subject: Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not. — tap to centre the map on it Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not. Last stated 2 months ago
13 Jul 2026
AC
Alan Castel — holds since 2026-07-13 — tap for who they are
Same subject: Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not. — tap to centre the map on it Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not. Last stated 2 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain. — tap to centre the map on it Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain. Last stated 2 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter. — tap to centre the map on it Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter. Last stated 2 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training. — tap to centre the map on it High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training. Last stated 2 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening. — tap to centre the map on it In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening. Last stated 2 years ago
25 May 2024
CR
Charan Ranganath — holds since 2024-05-25 — tap for who they are
Same subject: About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. — tap to centre the map on it About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. Last stated 2 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented. — tap to centre the map on it Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented. Last stated 2 weeks ago
24 Aug 2026
MH
Masud Husain — holds since 2026-08-24 — tap for who they are
Same subject: Alzheimer's pathology in the brain does not settle whether a person has dementia: the nuns' brains were full of plaques and tangles while they went on functioning normally. — tap to centre the map on it Alzheimer's pathology in the brain does not settle whether a person has dementia: the nuns' brains were full of plaques and tangles while they went on functioning normally. Last stated 2 months ago
13 Jul 2026
AC
Alan Castel — holds since 2026-07-13 — tap for who they are
Same subject: A beginner cannot learn from material made for native speakers: at the start, authentic media is noise. — tap to centre the map on it A beginner cannot learn from material made for native speakers: at the start, authentic media is noise. Last stated 2 months ago
by 20 Jul 2026
SK
Steve Kaufmann — holds since 2026-07-20 — tap for who they are
Same subject: A language is a set of skills to be built, not a body of facts to be known. — tap to centre the map on it A language is a set of skills to be built, not a body of facts to be known. Last stated 5 years ago
19 Aug 2021
LL
Luca Lampariello — holds since 2021-08-19 — tap for who they are
Same subject: A method you hate will end in burnout however well it works for other people, so it should be abandoned rather than endured. — tap to centre the map on it A method you hate will end in burnout however well it works for other people, so it should be abandoned rather than endured. Last stated 6 years ago
9 Sept 2020
LL
Luca Lampariello — holds since 2020-09-09 — tap for who they are
Same subject: Action comes before motivation: you do first and feel afterwards, not the other way round. — tap to centre the map on it Action comes before motivation: you do first and feel afterwards, not the other way round. Last stated 11 months ago
30 Sept 2025
LF
Lex Fridman — holds since 2025-09-30 — tap for who they are
Same subject: AI is not a limited-time sale: the people furthest along are working harder than ever, and they need to stop harvesting dopamine as if it ends in two weeks. — tap to centre the map on it AI is not a limited-time sale: the people furthest along are working harder than ever, and they need to stop harvesting dopamine as if it ends in two weeks. Last stated 5 months ago
8 Apr 2026
DH
David Heinemeier Hansson — holds since 2026-04-08 — tap for who they are
Same subject: AI systems should be understood as something between airplanes and humans, since it can no longer be assumed they lack humanlike motivations. — tap to centre the map on it AI systems should be understood as something between airplanes and humans, since it can no longer be assumed they lack humanlike motivations. Last stated 6 days ago
1 Sept 2026
SA
Scott Alexander — holds since 2026-09-01 — tap for who they are
At the centre
Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed.
Holds AC Alan CastelRead this korrent →
Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not.
Holds AC Alan Castel
Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not.
Holds TW Tommy Wood
Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain.
Holds TW Tommy Wood
Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter.
Holds TW Tommy Wood
High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training.
Holds TW Tommy Wood
In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening.
Holds CR Charan Ranganath
About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia.
Holds TW Tommy Wood
Alzheimer's disease and dementia are not the same thing: a fifth to a third of people whose brains carry the pathology never became demented.
Holds MH Masud Husain
Alzheimer's pathology in the brain does not settle whether a person has dementia: the nuns' brains were full of plaques and tangles while they went on functioning normally.
Holds AC Alan Castel
A beginner cannot learn from material made for native speakers: at the start, authentic media is noise.
Holds SK Steve Kaufmann
A language is a set of skills to be built, not a body of facts to be known.
Holds LL Luca Lampariello
A method you hate will end in burnout however well it works for other people, so it should be abandoned rather than endured.
Holds LL Luca Lampariello
Action comes before motivation: you do first and feel afterwards, not the other way round.
Holds LF Lex Fridman
AI is not a limited-time sale: the people furthest along are working harder than ever, and they need to stop harvesting dopamine as if it ends in two weeks.
Holds
AI systems should be understood as something between airplanes and humans, since it can no longer be assumed they lack humanlike motivations.
Holds SA Scott Alexander