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Questions tagged [perception]

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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How quick a flash of light is invisible

I know this overlaps a lot of previously asked questions but: I understand that 'A photon hits a photosensitive molecule in a photoreceptor in the retina, which causes a chemical change. [...] Vision ...
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for a persistent perceptual experience, why is video able to have a lower frame rate than audio?

In film, images are typically shown to us at around 24 frames per second, but modern sound files will often have 44100 or 48000 samples per second. There's a threshold above ~12 fps where we will ...
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Independence of criterion and d-prime (psychophysics)

I am reading here, page 5 that d' (d-prime) does not vary with criterion (in contrast to hit rate for instance which does vary with criterion, and which can be a biased measure of a subject's ...
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What are the neurons that give us our conscious perception of the world [duplicate]

From my reasoning motor neurons develop there behaviour by a process of conscious perception of the world and desire of that conscious to explore it success and failure in attempting to explore it ...
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Bouba/Kiki effect - computer-generated 3D shapes

I have seen a research project, where the subjects were presented with shapes to classify in two categories. The shapes were 3D models, some that were "pointy" and some that were "rounded". The ...
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Recognizing facial expressions

I seem to recall reading an article some number of years ago on a study or set of studies that examined the impact that a story has on the interpretation of facial expressions. Something along the ...
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32 views

Are all personalities divisive?

Most people like the smell of oranges. You might say that the distribution of reactions to the smell of oranges leans to the right. Most people dislike the smell of sewage. You might say that the ...
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How many moving objects can a person count (on average)?

I wonder if experiments in perceptual or cognitive psychology have been performed following these considerations: Standard experiment: Present small numbers of simple items to a test subject, for the ...
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What benefit is responsible for human preference of one food over another?

I like kiwi. I don't like omelettes. I love berry pies, but I'm not a big fan of potato chips or pretzels. Human taste preference is seemingly universal, with even young children able to identify ...
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How are neural entrainment and cerebellum related when it comes to sound perception?

I've read in some articles that listening to rhythmic sounds causes periodic neural oscillations in brain which are synchronized to the rhythm of the sounds. Does this affect our interpretation of ...
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Why it is so difficult to think critically about family members behaviour?

It seems to me that some survival mechanisms working in us make the act of analyzing family members behaviour very difficult. We tend to perceive the family's behaviours as normal, even if there are ...
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Can you self-induce a derealization episode?

From The experimental induction of depersonalization (DP) and derealization (DR) in panic disorder and nonanxious subjects (Miller, et al., 1994) DP and DR induction procedures were the following: ...
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Unilateral vision in split brain subjects

I am just beginning to learn psychology and came across concept of split brain. I was wondering if a person has only left eye working and has their corpus callosum cut, would they be effectively blind ...
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Linguistic & cross-cultural perceptions of typography

I have moved this question over from ux.stackexchange in the hope that it is a better fit for this forum and will get a few answers There is a great deal of information that one can find on the web ...
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Time perception in dreams? [duplicate]

Is time perception in dreams the same as time perception in waking life? There was an experiment that showed it was roughly true, (10 seconds in the dream is around 12 in real life), what causes this ...
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Is the perception of drawings an acquired skill?

Most descriptions of visual perception explain how our brains interpret incoming visual stimuli (via feature detection, monocular depth cues, etc.). They then assume that the same process works for ...
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Is Paul's Churchland claim about qualia supported by science?

Knowledge argument: Mary is a brilliant scientist who is, for whatever reason, forced to investigate the world from a black and white room via a black and white television monitor. She specializes ...
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How are tactile pleasure and pain differentiated in the somatosensory cortex?

A recent question here asked about (mostly) how pain and pleasure are differentiated in pathways involving reward/aversion cues. But there was some confusion as to what the question really wanted to ...
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Kinetic synesthesia evoked by abstract thoughts?

Can the experience of movement when mentally visualizing the network/structure of the code of a complex application, and the information that flows through the network as a programmer be a kind of ...
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Is synesthesia tied to experience?

For example, do color blind people only able to perceive experienced colors through synesthesia? E.g. if a person both has synesthesia (like grapheme-color synesthesia or chromesthesia) and some kind ...
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Why do we see shadows in the following black-and-white optical illusion?

How does neuroscience explain the following optical illusion? Look at tiles. You will see spots of shadow near all corners. The shadow will be missing from some corners very near the center of your ...
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Does psychology lose it's validity when the subject is versed in psychology?

Quite often, I find myself conforming to typical psychological principals, and exhibiting predictable behavior based on external stimuli. However, upon better research of the psychology behind past ...
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Venus effect explained in greater detail?

I stumbled upon this fact but I can't seem to understand the websites that are trying to explain it. I could only understand wikipedia's explanation This psychological effect is often used in the ...
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Is there a name for the phenomenon of perceived repeated interruption?

Is there a documented name for the phenomenon of repeated social interruptions. It's something I've discussed with others who seem to share the observation that often, when one is alone in a public ...
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Is there an explanation for concepts or situations that are repeated within a short amount of time? [duplicate]

I know that the title is not really clear. That's because I don't know what i'm searching for, unfortunately. Let me explain with an example: Yesterday i was watching a youtube video , more precisely ...
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Importance of colors in learning process?

I am starting a graduating project that is an interactive software for learning programming with an animated interface. To be more specific, it's a software that should help students learning how to ...
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1answer
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Is the effect related to shutting your eyes when a car is turning well known?

Since I was little I realized that when you close your eyes when being in a car and the car turns in a street to the side, you perceive the car turning more in one direction than it actually does. ...
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Does female attractiveness correlate with age progression?

I'm interested in Evolutionary Psychology and the male perception of female beauty. One of the ideas I'm trying to investigate is the correlation between female fertility and her attractiveness. A ...
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Why do people have different opinions about an object when they are given different information about that object?

I'm studying about perception in psychology. My teacher has an example. In an experiment, the researcher gives two groups a photo of one person. To Group 1, researcher says "This is a scientist", ...
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What would be the Term for this Character Trait?

This might be the wrong place or way to ask this question but I'll give it a shot. It could be more related to literature but it does deal with a form of character or personality. In Nathaniel ...
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Ability to identify an “average” vs a maximum (or minimum)?

I have a hypothesis that humans are better able to identify the largest (or smallest) in a set of objects, compared to their ability to identify an average object, i.e. the one closest to the mean. ...
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How does this experiment prove a causal relation between coherence and good feelings?

I'm reading Thinking, Fast and Slow by Daniel Kahneman and I came across the following text: The Remote Association Test has more to tell us about the link between cognitive ease and positive ...
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Due to Gestalt Psychology, is the face an illusion?

Gestalt Psychology maintains that we perceive a whole from parts, and that we fill in missing gaps. The "whole" we perceive is more than the sum of parts we perceive - it also involves what our minds ...
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The interactions between hallucinations and reality in people with schizophrenia

A person with schizophrenia sees a door become open, while in reality it's closed. What would he see when he tries to pass through the door? Bumps into an invisible obstacle. He sees the door become ...
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Perception: thinking a minority behavior in a minority group is the majority of said group

I once heard that we tend to have some perception bias : we tend to think that a behavior by a minority of a minority group is in fact the representation of the majority of this minirity group. ...
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To what extent is face-detection achieved in peripheral vision?

I'm trying to find out to what extent mere detection of faces (i.e. determining that something is a face, as opposed to recognition of specific individuals) is favored in the central vision vs ...
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Does the perception of odors change over time?

Is it normal for the perception of odors to change over time? I mean the same odors, like the smell of a snack with the same formula as before.
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What is the frequency range of electrotactile stimulation?

I have been trying to find out what the (human) electrotactile frequency range is. Since this is a much more experimental method (and more unpleasant) than the traditional vibrotactile method, the ...
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Is V1 involved in visual imagery?

It's well known that mental imagery shares the neural substrates of its respective modality, despite dissociable multivariate patterns. For example, visual imagery can be decoded across the ventral ...
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How do patients with an amputated limb experience and report their phantom perceptions?

[I changed "sensations" to "perceptions", due to @AliceD's comments here.] Suppose a patient with an amputated limb experiences and reports some phantom perception at the limb: the limb just being ...
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What is there in learning to ride a bicycle? [closed]

Why do we need to learn to ride a bicycle? We just need to pedal and move the handle. I don't think balancing needs to be learnt. What is the thing we need to learn to ride a bicycle or is it just ...
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What are the temporal limits of the auditory system?

I would like to know what the time scale is of the human ear. I mean, what is the shortest duration of a sound that a human ear can notice and what is the longest duration of a sound that a human ear ...
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What are the definitions of 'multi-channel coding' and 'opponent channel coding'?

I am looking for the definitions of Multi-channel coding Opponent-channel coding And specifically in the context of visual adaptation. I have searched for information on the web and in books, but ...
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Is there a validated questionnaire on consumer well-being?

I am conducting a study comparing different cigarettes in terms of their relative toxicity. As a side analysis, I wish to see if a novel cigarette, purportedly less toxic, is similarly pleasurable. ...
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What is the cause of differences that are too small to see?

Consider two identical pieces of paper. Scenario 1: On both something is drawn in black ink. If the difference between the areas covered in black ink is sufficiently small, I cannot see the ...
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Is there a waterfall visual after-effect with discrete inputs?

If you watch a waterfall for several seconds and then suddenly change your gaze to a fixed object it appears to briefly move upward. But if instead you're looking at a scrolling LED marquee sign, ...
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How bright must a light bulb to be noticed in a room?

If one has say an 800 lumen bulb, how many lux are necessary in order for a human to detect when it's suddenly turned on in a room with brightness levels of 30 Lux 50 Lux 100 Lux 1.-How many Lux ...
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How does speed listening work?

I've recently gotten into listening to podcasts. Over time, as I get accustomed to the speaker's voice, I'm able to increase the speed of the podcast to as high as 3x speed. It still feels "normal" to ...
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In I.Q. and Cognitive Tests, What Sequence Patterns Should be Applied?

Nearly every I.Q. and Cognitive test seems to ask questions for the "next item in the sequence". But, there just seems to be so many possibilities, and I can usually find a way that all of the ...