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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Is there a type of mental illness that manifests in confusion in perception? [closed]

Is there a type of mental illness that manifests in very brief episodes of confusion over very simple, seemingly impossible mistakes to make? For instance, the brief inability to tell if a surface (...
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What psychological methods exist for dealing with uncertainty?

Curious in finding out if there have been any psychological studies done on uncertainty & what the results of those studies have been. Have there been any frameworks or methodologies on combating ...
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Does information theory allow for extremely distorted mental time perception?

The experience obtained by Jaunting while being conscious is clearly impossible to attain in real life (if you don't know what I'm talking about, you can ignore this sentence). However, someone posted ...
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Is there evidence to support the Dunning-Kruger effect?

The well known Dunning-Kruger effect is oft cited as a general explanation for why people with limited expertise overestimate their abilities. Other than the initial research that described this ...
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How a living being (a huge collection of atoms) perceive things? [duplicate]

How a series of physical and chemical events leads to a very non physical/ intangible perception? For example, let's say a certain wavelength of light falls on the retina of my eyes, then the sensory ...
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Why does an image seem smaller or larger through a pinhole when viewing with human eye

I was chewing gum when I took the Trident gum wrapper and rolled it into an open cylinder with a diameter of about 1.5mm (give or take 0.15mm). When I look through the gum wrapper (I have to put it ...
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Why does an image seem smaller through a pinhole when viewing with human eye

I was chewing gum when I took the Trident gum wrapper and rolled it into an open cylinder with a diameter of about 1.5mm (give or take 0.15mm). When I look through the gum wrapper (I have to put it ...
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0answers
16 views

What characterizes Grossberg's resonances?

Following Bryan Krause's advice I tried to be more specific and picked as one specific neural theory of consciousness Stephen Grossberg's Adaptive Resonance Theory in which a specific group of ...
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61 views

How do species interpret the physical object according to Donald D. Hoffman?

I have seen some of Don Hoffman's lectures and talks and I have understood his idea in regards to how different species interpret the physical object by consciousness, as follows (no need to read if ...
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Accuracy of visual distance and size perception

Generally speaking it is known that human observers’ perceptions of distances in depth are generally inaccurate. I guess that the accuracy is sometimes a very large degree. To be more specific I am ...
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1answer
43 views

The clock stop when switching focus

I have notice that when I switch my focus from existing task to a clock (both digital, which shows numbers, and mechanical, which shows arms), the time on the clock seem to stop ticking for a brief ...
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What are the basis for developing envy and/or resentment?

Why do some people develop envy or resentment toward others, and other people with the same experiences do not? Is there a way to learn to let the envy and/or resentment go. Example would be someone ...
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What is the psychological explanation for the phenomena that a person sees the solution to a problem as “simple” once it has been found?

Is there in psychology an explanation and/or term that describes the phenomena that exists where people perceive a solution to a problem as “simple” after the solution has been found? I have noticed ...
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Triggering false sense of stimulus

When I pinch my right upper inner thigh I get a tingling sensation on my right upper forearm (on the inner side (near the place my forearm is touching the desk as I type)). I have had similar ...
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Multistable perception with three possibilities

I know that multistable perception refers to the phenomenon that occurs when we look at an ambiguous image like a Necker Cube or some sort of positive/negative space art, and we can’t perceive both ...
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34 views

How to become a philosophical zombie? [closed]

I was wondering if the following mental state was possible and if so, if it was documented. The concept would be not to be conscious for a while, to be in some way in automatic mode. And because of ...
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Perception Cardinality

While reading a science fiction book, Calculating God by Robert J. Sawyer, I came across the following lines: “Well, if I showed you one object - one rock, say - you would not have to count it. You ...
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Inability to associate a face with a name

I know there is a medical condition called "Prosopagnosia" that is described as: a cognitive disorder of face perception in which the ability to recognize familiar faces, including one's own face (...
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47 views

Does the way you perceive something for the first time have a big influence on future perceptions of similar stimuli?

You find yourself in a certain situation A. You perceive the situation: perceive objects, actions of people involved...You develop an opinion on the situation, and it was the first time you perceived ...
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Are perceptual defense and cognitive avoidance still recognized as existing mechanisms in psychology?

"Perceptual defense" is supposed to be a tendency to switch attention away from stimuli with negative valence; perhaps a kind of "cognitive avoidance". While doing a literature review on these two ...
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Are normal external stimuli still processed by the brain during a hallucination?

I was wondering if hallucinations could radically override real external stimuli. After all every sensory organ responds to external stimuli, but when a hallucination occurs, I suppose, the external ...
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Is there a difference in taste buds on the tongue between children and hsp's?

Children often don't like tastes like bitter and sour. Vegetables like Broccoli or sprouts aren't food they like to eat. But high sensitive people (hsp) also often like these kind of food. But is the ...
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Understanding a new concept: do we start with nouns or verbs?

I'm a software developer. My personal opinion is that code where the central role is assigned to nouns is way easier to read. For me, nouns are like semantic anchors. I try to identify them first, and ...
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What is the “perceptually correct” range or map of negative (inverted) colors?

When using software to invert the colors of a picture or screen, the software just blindly (literally) uses a mathematical formula to calculate the inverted color of each pixel. For example, in RGB, ...
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In “The Great Hack”, what are the data points used in psychological profiling?

I just saw the documentary "The Great Hack" (2019) about Cambridge Analytica. In it, they were talking about “data points” to profile people to better target them and persuade them into voting a ...
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Why does human mind tend to understand everything in terms of duality or binary states rather than continuum of states?

We can understand things much quickly when things are defined as a duality. Like good and bad, happy and sad, positive and negative, slow and fast etc. When two things are distinguishable distinctly ...
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Visual Cortex percentage

Could somebody help please in providing some research papers or a resource book that states how much the visual cortex occupies of our cortex? I am trying to find some reliable source but I couldn't ...
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What neural mechanism allows humans to make phenomenological observations?

Phenomenological experiences are altered during mental illnesses, is there a way to objectively know about them, or atleast know how we know about them?
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Is it possible to be entirely impartial?

I am writing a paper for my English class about flaws in the justice system. One of the biggest problems I believe exists is the humans' natural instinct to judge people before we even know them. Is ...
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Is there a double dissociation between face and object processing?

We know of the condition called prosopagnosia in which the processing of faces is impaired. Is there a condition in which the processing of faces is intact and the processing of objects is impaired, ...
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Why are faces processed holistically?

There is evidence that contrary to objects faces are represented more holistically then objects. To illustrate there is an effect called the face inversion effect that shows that when you invert a ...
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What is the psychology behind epiphany?

What are the neural precursors that lead up to the epiphany? How can one, have more creative insights? How this affects our psyche? What's the psychology behind it? The word "epiphany" has a deep, ...
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56 views

How long does it takes for the feeling of vengeance to fade away by time?

Psychologically, how long does it take for a person to forget the feeling of vengeance over other person or community? For example, imagine this scenario: There was a city which was sacked by army ...
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what causes this auditory persistence illusion?

Related question: aftereffects of auditory adaptation When the radio is turned off in the middle of a song, sometimes I can still hear the song playing very quietly for tens of seconds after the ...
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Is there a foveal explanation for the duck-rabbit illusion?

Myself when I look at the duck-rabbit image, I see a duck if focus on the left (i.e. the beak) or a rabbit if I focus on the right (the nose). Is this how it works for most people, i.e. is the foveal ...
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How do we know what colors animals perceive?

Humans have three kinds of photoreceptors corresponding to different wavelength-spectra: If say photons with wavelengths of around 530 nanometers hit the human retina, this would lead to the ...
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Why does campfire lighting look creepy?

Various photography lighting guides state that when light is positioned above a face it looks natural, but when positioned below a person it looks unnatural or even "creepy". This is sometimes used ...
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Term for “That feeling that in a game you don't get items that you really need”

I've heard people in games mention that the game is programmed so that when you really need an item the game will not give it to you. You only get items that you don't currently need. I think this is ...
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Has the perception of time changed over the last century? (e.g. 1960's vs. now)

How does one measure perception of time? And has it changed over the last century? My gut feeling says that people in the 50s & 60s found time to be passing slower compared to people in the ...
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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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197 views

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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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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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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103 views

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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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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