All Questions
Tagged with psychophysics perception
6 questions
30
votes
3
answers
10k
views
Can one see flickering of a light bulb at 50 Hz?
Yesterday I had a BBQ with some friends. The sun had already set and the only light source left (besides some ambient light from the world around) was a low energy light bulb.
After a while I started ...
- 419
2
votes
1
answer
78
views
Consistency of consciouness [closed]
So I was wondering if consciousness is continous and I found out it might not be the case. But in that case it begs a question, what if in every frame of consciousness my old me dies and new is reborn ...
- 131
8
votes
1
answer
4k
views
What is the smallest touch sensation that a human can feel?
What is smallest touch (pressure) sensation that a normal, healthy person (not hypersensitive nor insensitive) can feel on the palm of the hand?
- 323
5
votes
1
answer
787
views
What is the smallest pressure differential that humans can detect?
While cooking dinner under an extractor on its lowest setting, I noticed that none of the steam (referenced by the amount of fogging on a nearby window, compared to the absence of the fan, was ...
- 103
1
vote
1
answer
493
views
Is there an absolute minimum intensity level to the stimuli we can perceive?
By stimuli that we can perceive, I mean what our five senses can perceive.
Is there an absolute minimum for humans, or can we "train" ourselves to perceive stimuli at lower intensity?
And if there ...
- 121
4
votes
1
answer
706
views
What determines the perceived pitch (frequency) of tinnitus?
I noticed that every time I suffer temporary tinnitus after going to a very loud concert, the frequency I perceive is identical. I'd put it somewhere around 17 kHz, but it's difficult to pin down with ...
- 798