7
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2answers
305 views

Will Our Brain Speed Reduce As Our Memory “Mail Boxes” Fill Up?

I recently stumbled accross the article "When the Brain's Mailbox Is Full", which can be found here: http://www.nytimes.com/1999/07/27/health/when-the-brain-s-mailbox-is-full.html. The article ...
7
votes
1answer
2k views

Are IQ tests “biased” against individuals with Asperger's Syndrome?

One person makes the claim over at his response to the Quora question Do people with Asperger's have above-average IQs simply because the ones with below-average IQs simply get diagnosed with autism ...
7
votes
4answers
163 views

Why are religious people seemingly unable to hypothesise about a universe without God?

I know many devoutly religious people despite being totally atheist myself. I have occasionally discussed their beliefs and their religion with them, always respectfully. I am able to hypothesise ...
7
votes
2answers
128 views

How do cognitive scientists measure creativity?

Einstein said once something like creativity is more important than intelligence. Intelligence as it is measured is really one's speed and efficiency at processing information. How one processes the ...
7
votes
2answers
287 views

What are some examples of controversial themes in psychology?

There are a number of themes that are controversial (provoke debate, are unsettled, polarize opinion, or are reflected by a range of positions) in psychology. One example involves nature vs. nurture: ...
7
votes
2answers
4k views

Difficulty of expressing thoughts verbally

Some people find it difficult to express their thoughts verbally. They may often feel that their words don't give their thoughts enough justice, and that their thoughts could've been verbalized better....
7
votes
2answers
79 views

Biologically plausible cognitive model of Wisconsin card sorting task

As discussed previously, there are a wide range of models that have been applied to the Wisconsin card sorting task. However, which one is most biologically plausible? That is, uses a realistic model ...
7
votes
2answers
146 views

Is it really impossible for a hypnotist to make a participant do something against their will?

Is there any evidence of a hypnotist making someone do something against their will while in a hypnotic state? I know there are many sites by practicioners that state it is impossible, but they have ...
7
votes
1answer
136 views

Are there any theories suggesting mindfulness is the opposite mental state to self-regulation?

Meditation practice focuses on emotional acceptance (Teper & Inzlicht, 2013), and self-regulation is related to emotional control (Braumeister, 2003). Could someone provide me with pointers to ...
7
votes
3answers
392 views

Research groups in Computer Science which study Computational Neuroscience

I am currently applying to graduate programs in Computer Science in the United States for admission next fall. I am particularly interested in the convergence of Computer Science and Computational ...
7
votes
3answers
259 views

Which is the shortest duration for a pitch difference in audio signals to be perceived by the human auditory system?

If I have two short audio signals, for example pure tone C4 and C#4, so half-tone difference, how short can they be that the human can hear the difference in pitch? Was there any blind-experiment/...
7
votes
2answers
83 views

aftereffects of auditory adaptation

Adaptation is a very robust feature of sensory processing: when a stimulus is displayed for a prolonged period, or repeatedly, the neural response to it will diminish. This process creates a local ...
7
votes
3answers
173 views

Why dreams can be surprising?

If we all agree that dreams are created by our own minds, then how could some dreams surprise us, since, after all, all the things that could happen in a dream are made up by us, and should be utterly ...
7
votes
2answers
293 views

Why does a person get obsessive for those who don't take interest in him?

Why does a person get obsessive, Specially towards those who don't accept his love or attraction towards them? Self esteem has such an impact on human life that he wants to preserve his esteem in any ...
7
votes
2answers
223 views

What is the most common age for developing psychosis?

Background: Lately I've been watching a lot of Criminal Minds and in the season that I've just finished, one of the main characters - a 20-something Dr. Spencer Reid - is worried that he might be ...
7
votes
1answer
115 views

How does recalling a specific memory decrease depression?

Research by Serrano et al (2004) indicated that older adults with depressive symptoms showed that with increased specificity of memories, individuals show decreased depression and ...
7
votes
2answers
92 views

How is history of psychology taught around the world, and if it is not, why not?

When you study medicine in Germany, lectures on the history and ethics of medicine are an integral part of your curriculum. Many universities have a separate Institute for the History and Ethics of ...
7
votes
1answer
23k views

How are Raven's Matrices scores converted into age adjusted IQ?

There are IQ tests based only on Raven's matrices. I wonder how a raw score on such a test "scaled" to an IQ result. As we all know, IQ results depend on the age of individual tested. So I was ...
7
votes
1answer
222 views

Can prolonged neural adaptation lead to HPPD?

The human brain adapts to a constant stimulus of our neural system. For instance, if we ride a train and look out of the window for a long time and the train stops, we have the feeling of slowly ...
7
votes
2answers
236 views

Is there any chromatic analogue of the Shepard tone?

Is there any chromatic analogue of the Shepard tone? I am imagining that each pure tone would correspond to a pure wavelength of light, transformed in such a way that the middle of three consecutive ...
7
votes
2answers
191 views

What is the name of the phenomenon whereby someone steps-up and others follow?

Example: In class, when a teacher proposes some unreasonable assignment, students hesitate to express their objection until someone steps-up and then others find courage to talk. I've tried searching ...
7
votes
1answer
2k views

Do lucid dream eyemasks work?

There seems to be a few eyemasks available that claim to help the wearer achieve lucid dreaming. For example: The NovaDreamer lucid dream mask works by detecting Rapid Eye Movement (REM) while ...
7
votes
1answer
194 views

Savant syndrome and Cognitive bias

Take the case of an autistic savant with exceptional memory skills. Is this person less prone to cognitive biases involving memory skills such as availability heuristic bias than a normal person due ...
7
votes
2answers
260 views

Can an individual having strong identity associations with groups be used to infer anything about them?

I've been reading a few articles and papers about individuals identifying with groups and their behaviors and attitudes, however I haven't yet found an answer to one of the questions that I was trying ...
7
votes
2answers
259 views

What is the relationship between self-perceptions and actual driving ability?

I've often heard it said that almost everyone thinks that they are a better than average driver. If this is true, it could be explained by a number of theories. Some of these are outlined in this ...
7
votes
1answer
285 views

Does adult neurogenesis occur only in the olfactory bulb and the hippocampus?

The scholarpedia article on this subject says: Adult neurogenesis is the process of generating new neurons which integrate into existing circuits after fetal and early postnatal development ...
7
votes
1answer
288 views

What explains involuntary imitation of behavior such as shrugging?

Recently, I watched a discussion program on TV and one of the participants shrugged. I found that, not only did I do the same, but I seemed to do it in synchrony the speaker. I didn't want to do this, ...
7
votes
1answer
297 views

What are the different branches of Psychoanalysis?

I am trying to make a list of the main accepted branches of psychoanalysis to quiz a friend of mine. I don't know much about it and to learn more I need to know the main areas. So far I have ...
7
votes
2answers
125 views

Is modality-specific working memory capacity correlated within individuals?

The multi-component model of working memory posits different processes for phonological and visual working memory storage. Working memory capacity can be measured in a variety of ways (see: How to ...
7
votes
1answer
142 views

Could a painful stimulus be effectively used as a learning aid?

In rats, the application of a painful stimulus has shown an increase in overall arousal and the ability to learn certain behaviours (The study is neatly summed up in this video: Motivation and Reward ...
7
votes
1answer
156 views

How do moral judgments change for older adults?

There have been numerous studies that compare the moral judgment/sensitivity of adults and children (a good example is this paper by Decety, Michalska and Kinzler, showing significant differences ...
7
votes
2answers
533 views

Which statistical tests to use when analyzing NASA TLX?

The NASA Task Load Index (NASA-TLX) is a subjective, multidimensional assessment tool that rates perceived workload. A set of different scales (Mental Demand, Physical Demand, Temporal Demand, ...
7
votes
2answers
237 views

Does taking a deep breath reduce reduce the experience of stress and negative emotions?

Sometimes when I have negative feelings, it seems that a deep breath resets these feelings. Does that really happen? Is there any research on the effect of taking a deep breath on reducing the ...
7
votes
1answer
561 views

Can learning be facilitated by transcranial magnetic stimulation?

I read a book a while ago called The Brain that Changes Itself by Norman Doidge (2007), and it brought to my attention a machine known as a transcranial magnetic stimulator (TMS) which can ...
7
votes
2answers
181 views

What is the reward mechanism for eating spicy foods?

I can eat pure sugar and pure fats and find it pleasurable thanks to the taste receptors; and salt to a lesser extent. But pure raw chilli products trigger irritation to the tongue, cheeks and nasal ...
7
votes
2answers
142 views

Any models that act using both streams of visual processing?

The Two-Stream Hypothesis, where object properties are processed independently from spatial information, remains the most well established theory of visual processing. However, it concerns me that ...
7
votes
1answer
97 views

Self-fulfilling stereotypes: Have researchers tried inventing new group stereotypes?

Studies on the stereotype threat have typically used stereotypes that that are common in contemporary culture, i.e. the canonical example being the study that showed African American SAT scores ...
7
votes
2answers
2k views

What free scientific measures of Big 5 personality are available?

I'm aware of a few freely available scientific measures of Big 5 personality. IPIP: Ten Item Personality Inventory (TIPI) Questions: What other free scientific Big 5 personality tests are ...
7
votes
1answer
102 views

A study about preference for making relatively vs. absolute more money?

I remember reading about a study. I forgot the actual details of it, but the gist of it was: people were asked in what situation they would prefer to live, one where they make \$100,000 dollars and ...
7
votes
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, ...
7
votes
1answer
561 views

What is the cognitive cost of switching contexts?

A common reason to use Conventions and standards in Human Computer Interaction is to limit the cost of Context Switching. I searched to find general evidence of the cognitive costs of context ...
7
votes
1answer
82 views

Applying signal detection theory to single-stimulus presentations

Normally, signal detection theory (SDT) is applied to data that involves giving two-alternative forced choice (2AFC) responses to pairs of stimuli, for instance saying whether stimulus B was the same ...
7
votes
1answer
185 views

Do men have a higher sex drive than women?

It's a common cultural meme that men think about/are driven by sex more than women. Is there any objective truth to this? How do you define and measure 'sex drive'? How different are men and ...
7
votes
1answer
87 views

Do distractors create false learning in multiple choice questions?

I use quizzes in teaching, but have started to worry that they do more harm than good. Here's why: We have all learned from "the testing effect" that the act of taking a test is part of the practice ...
7
votes
1answer
291 views

Why does anger “cloud the mind”?

There are a lot of anecdotes on frustration and anger inhibiting judgement and problem solving. Examples include "anger clouding the mind" in pop culture, or in programming, where a rule of thumb is ...
7
votes
2answers
115 views

How fast is the visual system?

I've heard that the visual system is one of our slowest sensory systems. How fast is the visual system, and how does it compare to other sensory systems (auditory, mechanosensory, pain, etc.)? For ...
7
votes
1answer
112 views

What can be inferred about the strength of the synapse from an electron microscope image?

In the following EM image (1um scale), there are several synapses: Image or HD Version What information about the synaptic strengths can be extracted from this image? Does vesicle count contain ...
7
votes
1answer
149 views

Significant baseline, Oddball paradigm

I recently conducted an EEG experiment using a passive Oddball paradigm with two experimental conditions : standard stimuli (occurring with a 85% probability) and deviant stimuli (occurring with a 15% ...
7
votes
1answer
887 views

Are Lawrence Kohlberg's stages of moral development supported by empirical evidence?

I've just come across a (very basic) description of Kohlberg's stages of moral development, and I found the section on the Pre-conventional level of moral reasoning rather suprising. In particular, ...
7
votes
1answer
1k views

What motivates individuals to engage in cyberbullying?

With the advent and proliferation of social media, forums and q&a sites, there has been a matching increase in the incidents of online-bullying, or 'cyber-bullying, that goes beyond trolling. All ...

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