What is the difference between "seeing things" visually, mentally and hallucinogenically? | AskScience Blog

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Monday, April 5, 2021

What is the difference between "seeing things" visually, mentally and hallucinogenically?

What is the difference between "seeing things" visually, mentally and hallucinogenically?


What is the difference between "seeing things" visually, mentally and hallucinogenically?

Posted: 04 Apr 2021 01:11 PM PDT

I can see things visually, and I can imagine things in my mind, and hallucination is visually seeing an imagined thing. I'm wondering how this works and a few questions in regards to it.

If a person who is currently hallucinating is visually seeing what his mind has imagined, then does that mean that while in this hallucinogenic state where his imagination is being transposed onto his visual image, then if he purposely imagines something else would it override his current hallucination with a new hallucination he thought up? It not, why?

To a degree if I concentrate I can make something look to me as if it is slightly moving, or make myself feel as if the earth is swinging back and forth, subconscious unintentional hallucinations seem much more powerful however, why?

submitted by /u/TheMonsterUCreate
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When Pluto was downgraded to a dwarf planet what was the cause of this? ie. more accurate observations? a recalculation of its size? A change in the definitions of planetary size?

Posted: 04 Apr 2021 10:12 AM PDT

We've taken photos of the night sky for some time now. Is it yet possible to see parallax from us moving through the milky way by comparing old and new observations?

Posted: 05 Apr 2021 02:40 AM PDT

Since we can measure stellar parallax by the earth position around the sun, I'd imagine that our journy through the milky way would give us a lot more parallax. Or are we moving with our stellar neighbours in such a way that we don't see much drift at all?

submitted by /u/jacagu
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I see that the Pfizer vaccine starts becoming effective around day 10 (chart below I found from older post). Is this day-10 effectiveness only good for exposures that happen on day 10 any beyond, or exposures that happen on earlier days and symptoms would normally begin to show by day 10?

Posted: 04 Apr 2021 08:00 AM PDT

https://m.imgur.com/a/HppDcmg

I am wondering because the red line seems to dramatically stop increasing after day 10, which means there are less positive tests after day 10, but these exposures would have happened a few days before day 10.

submitted by /u/louischicken
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I heard somewhere the universe could be flat or a sphere, how can it be flat of we live in a 3D reality?

Posted: 04 Apr 2021 11:31 PM PDT

Are there layers of cortex that shrink/age faster than others? deeper L5 vs superficial L1? glutamate-rich? center of neuronal hubs like retrosplenial cortex?

Posted: 05 Apr 2021 03:59 AM PDT

How do/did scientists decide which flu variant to target for this fall's vaccine?

Posted: 04 Apr 2021 11:20 AM PDT

I know it's a crapshoot to predict in normal years but I'm curious about how the results of our Covid mitigation affected the decision making process.

submitted by /u/BigTunaTim
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What happens during the 14 day period for moderna vaccine in the body?

Posted: 04 Apr 2021 01:26 PM PDT

How does the human body respond to the second shot of Moderna vaccine? Also does this response depend on metabolic rate?

Meaning if someone had a lower metabolism would they need to wait longer to get the desired immunity vs. someone that had a high metabolism?

submitted by /u/roachexterminator007
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In martial arts, there is a type of conditioning called "Iron Bone Training". Can you really increase the strength of your bones, and what is actually going on here?

Posted: 04 Apr 2021 09:06 AM PDT

The title says it all really. Are there people out there with a significant increase in bone density/strength due to this kind of conditioning? Is it possible to increase your bone density to the point that it's multitudes stronger than normal?

We see a bunch of martial artists breaking boards and even stone with just their hands/arms/legs. It does seem possible to do this, but is it only possible because of the constant training that improves the bones, or is it really the muscles cushioning the blow? Or even further than that, is it the physics involved, rather than the human capability?

The reason I ask this now, is that I just picked up a scale that measures bone weight percentage (which is either BS or science beyond my knowledge, thus why I'm here). It just blows my mind to think that I weighed in at 4.5% bone weight, and it could be higher in 12 months if I did Iron Bone Training.

Is Iron Bone Training some kind of 'Ancient Chinese Secret', or practical, measurable science?

submitted by /u/TheNewBo
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Why do we need to “focus” on what we’re listening to in order to observe and record in memory instead of just always “listening and recording”?

Posted: 04 Apr 2021 12:04 PM PDT

How does temperature effect the egg dyeing process?

Posted: 04 Apr 2021 09:45 AM PDT

I'm planning to make homemade egg dye today, and every recipe I've seen calls for me to use boiling water, vinegar, and food coloring.

I'm struggling to see the reason why the water needs to be boiling for this. The only thing I can think of is that it might speed up the dyeing process. Is there something else to the chemistry here that would require boiling water?

submitted by /u/Tampflor
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You often hear that brains aren't fully developed until 25. In what ways are 18-25 year old brains still develping?

Posted: 03 Apr 2021 08:49 PM PDT

Why do lithium batteries form dendrite below a certain voltage?

Posted: 04 Apr 2021 12:50 AM PDT

I only have a cursory understanding of voltaic cells.

If there's a lower voltage, then less current would flow, and less reactons would be taking place with the electrolyte between the anode and catahode.

So why does a lower lithium battery voltage lead to a spike in dendritic formations?

submitted by /u/yosimba2000
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