A Fold in the Brain is Linked to Keeping Reality and Imagination Separate, Study Finds

  • The researchers looked at MRI brain scans of a large group of healthy adults. In particular, they were looking for the paracingulate sulcus (PCS), a fold near the front of the brain. There’s a lot of variability in the PCS: some people have quite distinctive folds, others have barely any. It’s in a part of the brain known to be important in keeping track of reality, which is why the researchers chose to study it. Of the 53 people selected for the study, some had this fold on both sides of their brain, some had it on one side, and some had no fold.
  • The participants saw some full well-known word pairs (“Jekyll and Hyde”) and some half pairs (“Jekyll and ?”). If they only saw half of a pair, they were asked to imagine the other half (“Hyde”). After each pair or half pair, either the participant or the experimenter said the whole pair aloud.
  • Once they’d seen all the pairs, the participants were asked two questions about each phrase: Did you see both words of the pair, or just one? And who said the phrase aloud, you or the experimenter?
  • People who didn’t have the fold on either side of their brains did worse on both questions—remembering if something was real or imagined, and remembering who’d done something—than people whose brains had the fold. But they felt as confident in their answers, meaning they didn’t realize they’d been mixing up internal and external events.

Along with schizophrenia, the PCS would also be a place of interest for study on the ability to lucid dream.

My take on the variety of gyri and sulci of the human brain because I have a quiz for neuropsych tomorrow and I decided to spend my day drinking with co-workers.

My artistic capabilities are clear indications of left hemispheric dominance (but really brain lateralization is a myth).

P.S. The angular sulcus is incorrectly labelled as a gyrus.

transient vasospasm

hers was smooth but his burned
going down
so much smoke dulls the night sky
i want to see a meteor shower ever
something else because
i’ve seen the same beautiful things
for a long time
missed the blue moon
but i do a lot of this myself

i love most the places you can’t see
frothing green grass the
window the gluteus sulcus the feet
i had nightmares all afternoon
but could not fully wake
and they’re the ash on my car
the cough
i am not a stanza

adequate lengths unfurl
Of sun rays
swimming down in slow motion
walking on the bottom
upside down-ness
near weightless i could sleep like
this forever
someone the sky was hidden
in the ghosts of trees
Watching Alfred Hitchcock gives us 'tunnel vision' - Futurity
Alfred Hitchcock movies have made palms sweat and pulses race for more than 65 years. Scientists say neural tunnel vision may be a big reason why.

“There was an ebb and flow of brain activity in the calcarine sulcus: the first brain area to receive and process most visual information.When the suspense grew, brain activity in the peripheral visual processing areas of the calcarine sulcus decreased and activity in the central processing areas increased.”


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A series of crops from our look-book shoot emphasizing hands.Zooming in to specific parts of the pictures we had the possibility to study different hand positions and hand gestures, thus also showing details of garments and parts of them the viewer wouldn’t normally observe and focus on.

The garments featured are available on

A gesture is a form of non-verbal communication or non-vocal communication in which visible bodily actions communicate particular messages, either in place of, or in conjunction with, speech. Gestures include movement of the hands, face, or other parts of the body.Gestures allow individuals to communicate a variety of feelings and thoughts, from contempt and hostility to approval and affection, often together with body language in addition to words when they speak.

Gestures are processed in the same areas of the brain as speech and sign language such as the left inferior frontal gyrus (Broca’s area) and the posterior middle temporal gyrus, posterior superior temporal sulcus and superior temporal gyrus (Wernicke’s area).It has been suggested that these parts of the brain originally supported the pairing of gesture and meaning and then were adapted in human evolution “for the comparable pairing of sound and meaning as voluntary control over the vocal apparatus was established and spoken language evolved”. As a result, it underlies both symbolic gesture and spoken language in the present human brain. Their common neurological basis also supports the idea that symbolic gesture and spoken language are two parts of a single fundamental semiotic system that underlies human discourse.The linkage of hand and body gestures in conjunction with speech is further revealed by the nature of gesture use in blind individuals during conversation. This phenomenon uncovers a function of gesture that goes beyond portraying communicative content of language and extends David McNeill’s view of the gesture-speech system. This suggests that gesture and speech work tightly together, and a disruption of one (speech or gesture) will cause a problem in the other. Studies have found strong evidence that speech and gesture are innately linked in the brain and work in an efficiently wired and choreographed system. McNeill’s view of this linkage in the brain is just one of three currently up for debate; the others declaring gesture to be a “support system” of spoken language or a physical mechanism for lexical retrieval.

Because of this connection of co-speech gestures—a form of manual action—in language in the brain, Roel Willems and Peter Hagoort conclude that both gestures and language contribute to the understanding and decoding of a speaker’s encoded message. Willems and Hagoort’s research suggest that “processing evoked by gestures is qualitatively similar to that of words at the level of semantic processing.” This conclusion is supported through findings from experiments by Skipper where the use of gestures led to “a division of labor between areas related to language or action (Broca’s area and premotor/primary motor cortex respectively).” The use of gestures in combination with speech allowed the brain to decrease the need for “semantic control.” Because gestures aided in understanding the relayed message, there was not as great a need for semantic selection or control that would otherwise be required of the listener through Broca’s area. Gestures are a way to represent the thoughts of an individual, which are prompted in working memory. The results of an experiment revealed that adults have increased accuracy when they used pointing gestures as opposed to simply counting in their heads (without the use of pointing gestures). Furthermore, the results of a study conducted by Marstaller and Burianová suggest that the use of gestures affect working memory. The researchers found that those with low capacity of working memory who were able to use gestures actually recalled more terms than those with low capacity who were not able to use gestures.

Although there is an obvious connection in the aid of gestures in understanding a message, “the understanding of gestures is not the same as understanding spoken language.” These two functions work together and gestures help facilitate understanding, but they only “partly drive the neural language system.”

Οι Αύλακες του Γίγαντος (Gigas Sulci)

Η Λατινική λέξη sulcus (sulci στον πληθυντικό) σημαίνει “μεταξύ τους παράλληλες αύλακες και κορυφογραμμές”. Είναι ένας καθαρά περιγραφικός όρος εδαφικών σχηματισμών, που θα μπορούσαν όμως να έχουν ποικιλία προέλευσης.

Σ’ αυτήν την τοποθεσία φαίνεται να πρόκειται για ένα βύθισμα μεταξύ παραλλήλων ρηγμάτων (ένα graben) σε μεγάλη κλίμακα και τοπικά—όπως σ’ αυτή την εικόνα—περιοχή έναρξης ροών λάβας.

  • Boy:hey gurl whats the strongest muscle in your mouth? My dick haha ;)
  • Me:Incorrect. The scientifically proved strongest muscle would be the (dorsum) tongue; consisting of the lingual tonsil, foliate papillae, circumvallate papillae, filiform and fungiform papillae. The median sulcus is located at the end of the muscle nearest the teeth in the body, whereas the root holds the lateral glossoepiglottic fold, palatopharyngeal arch and the vallecula.

The movies of Alfred Hitchcock have made palms sweat and pulses race for more than 65 years. Georgia Institute of Technology researchers have now learned how the Master of Suspense affects audiences’ brains. Their study measured brain activity while people watched clips from Hitchcock and other suspenseful films. During high suspense moments, the brain narrows what people see and focuses their attention on the story. During less suspenseful moments of the film clips, viewers devote more attention to their surroundings.

“Many people have a feeling that we get lost in the story while watching a good movie and that the theater disappears around us,” said Matt Bezdek, the Georgia Tech postdoctoral psychology researcher who led the study. “Now we have brain evidence to support the idea that people are figuratively transported into the narrative. ”

When the suspense grew, brain activity in the peripheral visual processing areas of the calcarine sulcus decreased and activity in the central processing areas increased. For example, during the famous “North by Northwest” scene, the brain narrowed its visual focus as the airplane bore down on Cary Grant. When he hid in the cornfield and suspense decreased, the neural activity reversed course and attention broadened.

Essentially, when suspense is the greatest, our brains shift activity in the calcarine sulcus to increase processing of critical information and ignore the visual content that doesn’t matter.

“It’s a neural signature of tunnel vision,” said Georgia Tech’s Eric Schumacher, an associate professor in the School of Psychology. “During the most suspenseful moments, participants focused on the movie and subconsciously ignored the checker boards. The brain narrowed the participants’ attention, steering them to the center of the screen and into the story.”

Here is how Alfred Hitchcock's suspense makes your brain react

Washington DC, July 27 (ANI): In a research conducted on the pulse rising movies of Alfred Hitchcock, scientists have revealed how suspense affects audience’s brain.
Researchers from the Georgia Institute of Technology have claimed that people tend to pay more attention on their surroundings during less suspenseful moments while their brain narrows during suspense scenes and they focus their attention to the story.
Head researcher Matt Bezdek said that many people feel that they get lost in the story while watching a good movie and that the theater disappears around them but now they have brain evidence to support the idea that people are figuratively transported into the narrative.
During the research, the researchers discovered an ebb and flow of brain activity in the calcarine sulcus, the first brain area to receive and process most visual information.
When the suspense grew, brain activity in the peripheral visual processing areas of the calcarine sulcus decreased and activity in the central processing areas increased. For example, during the famous ‘North by Northwest’ scene, the brain narrowed its visual focus as the airplane bore down on Cary Grant.
The researchers further reveal that the calcarine sulcus wasn’t the only part of the brain sensitive to changes in suspense and the same was true for areas involved in higher-order visual areas involved in grouping objects together based on their color and how they’re moving.
The study is published in the journal Neuroscience. (ANI)

Biri tıp terimleri mi dedi..

Biri tıp terimleri mi dedi..

Duyar duymaz insanı alıp götüren, anlaşılmaz olduğu ölçüde çekici görünen güzide tıp biliminin, latince kökenli güzide terimleri..

“sulcus tendinis musculi flexoris hallucis longi.. ”
Bu tıp fakültesi birinci sınıf öğrencilerinin biz bunları bile ezberliyoruz diyerek baya bi hava attıkları terimdir..

Bir insana, otitis media operasyonu geçirdim demenin etkisi başkadır, Orta kulak ameliyatı oldum…

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How Teaching With Symmetry Improves Math Understanding

How Teaching With Symmetry Improves Math Understanding

There’s a part of the brain that enables us to perceive magnitude — we can compare loudness when hearing different tones or compare the number of dots in a group at a glance. Neuroscientists have identified this region responsible for perceptual comparison (the intraparietal sulcus) as linked to symbolic comparisons, including integers in math. That discovery led scientists to realize that…

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