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4
votes
2answers
112 views

Does caffeine actually enhance cognition?

I have heard, respectively: Caffeine measurably enhances cognitive function. Caffeine does not measurably enhance cognitive function in any significant way. Caffeine enhances cognitive function, but ...
3
votes
1answer
51 views

What other cognitive behaviors in bees, outside of navigation, are affect by neonicotinoids

It is conclusive that neonicotinoids alter navigation in bees when locating food sources. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0091364 But if so, shouldn't cognition also ...
1
vote
2answers
158 views

Is there a difference between visual sensation and imagination in the brain?

How substantial is the difference between the neural signal associated with seeing an image and the imagination of that image? Surely, it can not entirely copy the pathway from the sensory organs to ...
2
votes
0answers
23 views

Does music enhance neural activity/cognitive or cerebral function, or is it just mania? [closed]

I always find myself drew upon curiosity whilst studying, to whether certain types of music are or are not, effecting me in a sense of cognitive ability. Take a fantastic piece such as, Mozart's, ...
8
votes
2answers
2k views

Do we use 100% of our cerebral capacity?

I saw a movie yesterday called Lucy. In this movie, a girl called Lucy absorbs a large amount of CPH4, and her brain capacity slowly increases. So that brings me to my question which is : Do we ...
5
votes
0answers
54 views

Is hunger pushing cognitive ability in humans? [closed]

We have a lot of those questions here that base on personal anecdotes and I try to avoid asking any of those. Still, after skipping breakfast and an extremely effective work day so far I started ...
0
votes
1answer
88 views

How does the partial pressure of oxygen affect mental focus?

On this Wikipedia page it says that lower oxygen levels can cause light-headedness. Is there evidence that higher partial pressure of oxygen can improve mental focus?
3
votes
0answers
80 views

How we share pain?

When somebody else tells me about his or her itching or pain in some specific body part I sometimes begin to feel similar feelings. I can think of about three explanations: I feel pain all over my ...
1
vote
1answer
32 views

Is it a medical condition to not able to recall the word in a language while having a conversation [closed]

While having a conversation it happens to some peopl that clearly they know there exists a perfect word to be used but can not recall it during the conversation in real time and hence forced to use ...
4
votes
1answer
237 views

How could be the “Eurasian magpie” bird won the “Mirror Test” where Gorillas failed

EURASIAN MAGPIE VS GORILLA VS How could be the "Eurasian magpie" bird won the "Mirror Test" where Gorillas failed ? In 1982, mirror tests on two, zoo-reared gorillas failed to demonstrate ...
10
votes
2answers
967 views

What happens once a brain is full?

I just read the answer to this question, and it got me thinking... If the human brain (or any other brain) has a finite amount of storage, what would happen once the brain has taken in its maximum ...
1
vote
0answers
16 views

Which pathways/mechanisms could control some Synaptic clefts in series by Somatic Nervous System?

I listened a talk where the speaker said that this can probably be possible by Weak Quantum Cognition Theory. I see that there is no evidence at the moment, only theory. I see no pathways by which ...
4
votes
2answers
655 views

Is life expectancy linked to intelligence in animals?

For example, animals that live only a few days or a few years are often not very intelligent. In contrast, the most intelligent animals seem to live longer. Is this true? Are there any studies to ...