For questions regarding the organization and identification of transducted sensory information in the brain and its interpretation and consolidation in the mind

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13
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1answer
485 views

What stimulus features determine the psychophysical power law exponent?

Following the work of Stanley Stevens, psychophysical functions of stimulus intensity are commonly assumed to follow power laws, as illustrated below: This appears to be true for a wide variety of ...
19
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1answer
539 views

Why is white on black considered higher contrast than black on white?

While researching to answer Why are "Inverted Colors" considered an accessibility feature? I noticed the puzzling claim that "White text on a black background is a higher contrast to the opposite, so ...
17
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2answers
1k views

What is the threshold where actions are perceived as “instant”?

In Human Computer Interaction and User Experience there's some oft repeated rules of performance: 0.1 second is about the limit for having the user feel that the system is reacting ...
4
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1answer
810 views

How do we get used to smells?

How do we get used to smells? For example, you walk into a room with a certain stench, but it seems no matter how strong it may be, spending enough time in the room will allow you to stop smelling ...
10
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1answer
121 views

What happens when a person “imagines” how food could taste like just from looking at it?

What processes are triggered by imagining the taste of food (let's assume it's sealed so that its smell doesn't reach the test subject's nose) only by looking at it, based on memories of food with ...
32
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4answers
5k views

Is Golden Ratio's association with perceived beauty a myth?

Many people advocate using the Golden Ratio in design (e.g. logo design). Is the Golden Ratio's purported aesthetic appeal supported by scientific evidence?
13
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2answers
1k views

Why do humans prefer symmetrical arrangement of objects?

Most of the times, we associate symmetry with beauty. The symmetry may be in architectural/interior design for instance. Why would this be so ?
13
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1answer
153 views

How is the size of a video related to its perceived quality?

Video is often presented at different sizes. On the Internet, many websites provide quite a few size settings. In the store, you can buy TVs of many different sizes. In both cases, it's the same ...
11
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1answer
311 views

Is the theory of Information Metabolism a reasonable scientific theory?

Background I have been checking out various personality typing assessments lately when I came across a Personality typing system known as Socionics which aims at explaining relationships between ...
9
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1answer
251 views

Is there an effect of visual expertise on eye movements when examining an image?

In the following linked image, you can see the eye movement traces of a subject examining a bust of Nefertiti (I came across this image while reading the following blog). When I was in grade ...
11
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3answers
6k views

Can we smell in dreams?

I'm interested in whether people can smell in their dreams. Do people really experience smell in their dreams? For example, if I dream of smelling a flower, will I feel the smell, too? Is there any ...
8
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1answer
112 views

Are there shapes defined by 3 (or more) generative parameters whose mapping to psychological similarity space is known?

I am trying to generate 4 shapes that are equidistant in psychological similarity space - meaning that they are all equally discriminable from one another - which differ in 3 parameters, such that ...
18
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1answer
159 views

Is there a range in time on which the mind detects correlation between events?

I've been searching for info on this but I'm usually finding unrelated information. My question is whether there is a time range in which our mind suspects that two events are correlated. For ...
9
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1answer
124 views

Hearing first but understanding later?

I have experienced this phenomenon several times and checked with other people as well. It goes like this: you hear something, but it's just a sound with no meaning. Some seconds later, you ...
3
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0answers
236 views

Binaural Beats meets Sound-Color-Synesthesia

Binaural beats, the perception of which arises in the brain for specific physical stimuli. ... The effect on the brainwaves depends on the difference in frequencies of each tone: for example, if ...
23
votes
1answer
472 views

The effects of bilingualism on colour perception

Peltola et al. (2012) showed that there are two types of bilinguals. Balanced bilinguals mix their two languages and are effected by linguistic categories from both. Dominant bilinguals seem to ...
19
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5answers
497 views

Why do we prefer visually aligned objects?

We all know visual alignment is one of the foundations of design. Everything must be aligned with everything else. We also know that when things are aligned it is easier to process information. My ...
3
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1answer
614 views

When counting a given letter in sentences, why do people tend to omit occurrences in certain common words?

I have noticed that when I, and presumably others, count the number of times the letter F appears in the following passage: ...
7
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1answer
2k views

Do we recognize ourselves better when we see our mirror image?

A friend of mine recently noticed that we both have a birthmark on the face. He looked at me and said that we have exactly the same mark. But he has it left and I right. But, when looking in a mirror, ...
11
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2answers
589 views

What form might Jungian archetypes take in the brain?

Modern psychology and psychiatry are very well grounded in scientific principles. Both, however, have a history in various analytical philosophies. Jung had the notion of an archetype, a universally ...
6
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1answer
208 views

Face-Blindness: Have I seen you before?

Sometimes when I meet new people, I feel like I have seen them before. Their faces might look similar to people's faces, I have really have met before. The wiki article on Difficulties with Facial ...
2
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3answers
511 views

Is this optical illusion the visual equivalent of binaural beats?

The optical motional illusion shown below, makes your brain see some motion, where there is none. In my opinion it's fascinating, although after a while you get a headache. It reminds me of ...
10
votes
5answers
320 views

Visual search: complexity of positive vs negative search tasks

Thinking about experiments where participants perform visual search tasks, I remember hearing in a Cog Psych lecture that if the instructions of the task were of the form "find the element that has ...
10
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1answer
332 views

Sensory Immersion Research?

Sensory deprivation is a relatively common technique for medititation and general consciousness-exploration. However, I'm more interested in sensory immersion. That is, deliberate overstimulation as ...
7
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1answer
194 views

How do people that can't perceive 3D view a stereoscopic 3D image or movie?

According to Mendiburu (2009), 3-15% of the people can't view a stereoscopic 3D image or movie, mostly due to poor binocular vision. Imagine one of those is in the movie theater, trying to watch a 3D ...
10
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1answer
868 views

What does “veridicality” mean in terms of psychology?

I'm reading the paper "Visual Space Perception and Visually Directed Action" by Loomis, Da Silva, Fujita and Fukusima (1992; pdf). In this paper, the word 'veridicality' is used in several sentences. ...
6
votes
1answer
124 views

Phenomenon that causes music to sound like it's being played at a different tempo than remembered?

Something I've noticed now and then is that I'll be listening to a song off my music player and it sounds like it's being played in a tempo faster or slower than I remember the song being. Is this a ...
1
vote
1answer
485 views

At what age are infants first able to perform pattern recognition?

Chronologically, when is pattern recognition first developed in an infant? To be considered the first, abilities observed in that instance should prolong throughout the development process. In other ...
5
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1answer
72 views

Is there any evidence to support a correlation between how much bodily energy you are using, and how quickly time appears to pass?

It seems to me that time passes more slowly when I am drinking coffee, but when I stop, or I am tired it seems that time passes a lot faster. Could this have something to do with the sampling rate at ...
10
votes
2answers
461 views

What is the “static” in human vision called?

Sort of like a cheap digital Camera, the human eye has certain feedback that's perceived but doesn't actually exist in the real world; a little layer of Static that's especially noticeable in pitch ...
10
votes
4answers
6k views

How to temporarily induce low latent inhibition?

As the Wikipedia article says, High levels of the neurotransmitter dopamine (or its agonists) in the ventral tegmental area of the brain have been shown to decrease latent inhibition. Certain ...
12
votes
1answer
3k views

How to get rid of subvocalization?

When I read a text written in latin alphabet and I want to understand what it means I usually transform each word into spoken word (internal speech) and then I transform it into meaning. I can't ...
6
votes
1answer
258 views

How much red/orange is needed to stimulate hunger?

A common claim thrown around is that red and orange are great for restaurants because it stimulates hunger. However, I've heard time and time again that this does not work in web design because you ...
7
votes
2answers
442 views

What is the term for “What has been seen cannot be unseen” in cognitive sciences?

During a discussion with my officemate I told him that I read somewhere that the gas pillar in Carina nebula looks like a cat punching the dog; ever since then, every time my wallpaper slideshow ...
15
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2answers
1k views

Effect of words highlighting on reading comprehension

I'm interested if there are studies dealing with text understanding and POS (part of speech) coloring, or coloring syntactic/semantic information. The studies should solve the questions like: Which ...
15
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2answers
667 views

Does the fusiform face area in patients with Prosopagnosia (face blindness) show lower activity under an fMRI?

I watched last night's episode of 60 minutes about Prosopagnosia (Face Blindness) and found it absolutely fascinating. They mentioned in the segment (Around 5:22 into the second part of the online ...
11
votes
1answer
331 views

Under what conditions does 60hz video produce visual artifacts?

There are some important thresholds of frame rate in video playback that effect whether or not animation appears fluid. This wikipedia page about Visible Frame Rate suggests that a framerate of 60 ...
7
votes
1answer
1k views

Is Apple's iPhone Retina Display really accurate to human eye resolution?

Apple based their Retina Display on the following claim, as cited by Wikipedia: The display has a contrast ratio of 800:1. The screen is marketed by Apple as the "Retina Display", based on the ...
13
votes
2answers
311 views

What concepts of perception should designers be aware of when designing?

Visual perception is a huge topic, much of which is relevant to the work of a designer. I have identified topics in visual memory, visual cognition and colour perception that are relevant, and I'm ...
9
votes
2answers
277 views

How does the brain act on the information gained via eye saccades?

I've often heard that the process of saccading can be described as a statistical sampling technique. Specifically, the standard textbook definition of the function of saccades seems to be that the ...
10
votes
1answer
216 views

How do humans control saccades?

I've gathered the standard rational for a visual system utilizing saccades from perception textbooks: the neural cost of processing an entire scene at a high level of detail would be prohibitive, but ...
9
votes
3answers
665 views

Simulate colorblindness in non-colorblind individuals

Is there any way by which individuals with normal color vision could "see" the effects of Deuteranopia or any of the common colorblindness types, say by using special lenses or anything? Color ...
10
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3answers
954 views

Is it possible to improve reading speed and visual comprehension by doing exercises?

Background I'm trying to capture detailed information from the images in my visual memory, mainly text. My daily life requires reading many documents on varying topics. I want to increase my reading ...
9
votes
1answer
238 views

How does task difficulty schedule affect the rate and efficiency of perceptual learning?

In perceptual learning (line length/orientation discrimination, visual target detection, tone frequency discrimination, etc), when training people or animals to perform a task better, is there an ...
9
votes
1answer
406 views

How do animals recognize other animals of their own species?

My motivation for this question is dog-based, but I suppose it would apply equally well to humans. How do animals recognize their own kind, particularly where there is large variation in appearance? ...
18
votes
4answers
825 views

Perception of time as a function of age

For many people time seems to run faster as they get older. That is, for an old person an hour, a day or a year seems to be shorter than for a young person. Is there any hard data for such ...
15
votes
11answers
514 views

Any work being done on Perception, Action, and/or Cognition in Video games?

Call it a nerd crossover, but I've always been curious about how we play games on a mechanistic level. However, even coming from a rational viewpoint video games seem like a fruitful domain of study, ...
22
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3answers
314 views

Why does the human visual system produce a bright patch after staring at a bright light source and looking away?

If a person looks at a bright light source, such as a light bulb or perhaps the sun for a period of time, and then looks away and closes their eyes, they typically see a bright patch in the shape of ...