Depression Patients Show Shrinkage in Brain’s Memory and Learning Regions — 5ch Reacts: ‘We Already Knew That’

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A new study has found that part of the hippocampus — the brain region tied to memory and learning — is shrunk in people with depression. On 5ch’s Science News+ board, the reaction was largely unimpressed (“didn’t we already know this?”), though the thread also drew personal accounts from people living with bipolar disorder, along with comments describing the difference between auditory hallucinations and sounds you actually hear through your ears.

Study finds regions related to memory and learning are reduced in the brains of depression patients

Depression has long been known to be a risk factor for Alzheimer’s disease, but exactly how depression and cognitive decline interact with each other has remained poorly understood.

A new study of middle-aged and older adults with depression found that the volume of specific hippocampal regions involved in memory and learning was reduced in patients’ brains.

Source: nature.com / Original article here

2Anonymous2026/08/19(水) 22:00:41.15ID:Ewdl47M5
Yep, that's basically us alright.
60Anonymous2026/08/20(木) 05:15:44.23ID:wnRPbYnC
There's someone in here posting about schizophrenia, but that has nothing to do with depression — what are they even thinking?
Though with depression, getting slandered/abused enough does make you stop moving and turn into a shut-in.

For someone with bipolar disorder —
in the manic phase, the body gets physically active,
in the depressive phase, it's a shut-in state.
62Anonymous2026/08/20(木) 05:30:39.91ID:7wt1iy/4
Yeah, high-stress jobs really are the worst for this.
64Anonymous2026/08/21(金) 07:37:03.05ID:vY48Geg1
I just want to reach a point where I don't need to see a psychiatrist anymore.
65Anonymous2026/08/22(土) 20:33:51.01ID:vTUmaAb0
There's a manga by someone who actually recovered from depression — Hiroyuki brought it up a while back, and I think it could genuinely help people with mental health struggles (メンヘラ, slang for someone dealing with mental/emotional issues) as a kind of self-therapy.
Pretty sure you could read it online for free.

The author goes by EMI.

"Paradigm Shift: Bokunchi" (パラダイムシフト ぼくんち)

just google that and it'll come up.
I think it got published as an actual book too.
66Anonymous2026/08/22(土) 20:39:35.98ID:vTUmaAb0
Just speaking from my own experience, but —

normal sound travels through the air and reaches your ears, right?

But with the auditory hallucinations that come with schizophrenia, there's no sound traveling through the air.

It's a sound your own head is generating and echoing inside your own head.

If you're ever unsure whether something's a hallucination, it might help to listen closely and compare it against how real sound reaches you through your ears.

*This article is excerpted and summarized from the 5ch (Science News+) thread “[Neuroscience] Study finds regions related to memory and learning are reduced in the brains of depression patients.”

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