Tagged Questions
7
votes
2answers
89 views
What neural mechanism explains the tendency to visually attend to the whole scene before attending to details?
I have the intuition that human vision first attends to large-scale objects and then small-scale details. Is there any mechanism in the visual cortex that will explain this phenomenon? Is there a ...
3
votes
0answers
55 views
How is light processed by the human brain when awake and in dreams?
I've recently seen this great video: How your brain tells you where you are. The video discusses how certain cells within the brain fire based on proximity to objects. There are great examples of ...
6
votes
1answer
148 views
What is the brain power devoted to vision and haptics?
I heard a talk by Vincent Hayward on the sense of touch as a multi-modal system, where he claimed that the brain power devoted to haptics is at least as big as the one devoted to vision. I have found ...
3
votes
2answers
238 views
Where is the visual “image” that we “see” finally assembled?
David Hubel's online book, Eye, Brain and Vision describes in great detail our early visual system. The image that we are conscious of when we open our eyes goes through a complex path:
The final ...
15
votes
3answers
4k views
Why would the brain flip the images perceived by your eyes?
The following is a common scientific statement, which you don't have to google long for to find:
The eye views images upside-down in the manner of a camera lens, but
our brains reinterpret this ...