1. Change is mostly limited to those situations in which the brain is in the mood for it.
If you are alert, on the ball, engaged, motivated, ready for action, the brain releases the neurochemicals necessary to enable brain change. When disengaged, inattentive, distracted, or doing something without thinking that requires no real effort, your neuroplastic switches are “off.”
2. The harder you try, the more you’re motivated, the more alert you are, and the better (or worse) the potential outcome, the bigger the brain change.
If you’re intensely focused on the task and really trying to master something for an important reason, the change experienced will be greater.
3. What actually changes in the brain are the strengths of the connections of neurons that are engaged together, moment by moment, in time.
The more something is practiced, the more connections are changed and made to include all elements of the experience (sensory info, movement, cognitive patterns). You can think of it like a “master controller” being formed for that particular behavior which allows it to be performed with remarkable facility and reliability over time.
4. Learning-driven changes in connections increase cell-to-cell cooperation which is crucial for increasing reliability.
Merzenich explains this by asking you to imagine the sound of a football stadium full of fans all clapping at random versus the same people clapping in unison. He explains, “The more powerfully coordinated your [nerve cell] teams are, the more powerful and more reliable their behavioral productions.”
5. The brain also strengthens its connections between teams of neurons representing separate moments of successive things that reliably occur in serial time.
This allows your brain to predict what happens next and have a continuous “associative flow.” Without this ability, your stream of consciousness would be reduced to “a series of separate, stagnating puddles,” explains Merzenich.
6. Initial changes are temporary.
Your brain first records the change, then determines whether it should make the change permanent or not. It only becomes permanent if your brain judges the experience to be fascinating or novel enough or if the behavioral outcome is important, good or bad.
7. The brain is changed by internal mental rehearsal in the same ways and involving precisely the same processes that control changes achieved through interactions with the external world.
According to Merzenich, “You don’t have to move an inch to drive positive plastic change in your brain. Your internal representations of things recalled from memory work just fine for progressive brain plasticity-based learning.”
8. Memory guides and controls most learning.
As you learn a new skill, your brain takes note of and remembers the good attempts, while discarding the not-so-good trys. Then, it recalls the last good pass, makes incremental adjustments, and progressively improves.
9. Every movement of learning provides a moment of opportunity for the brain to stabilize – and reduce the disruptive power of – potentially interfering backgrounds or “noise.”
Each time your brain strengthens a connection to advance your mastery of a skill, it also weakens other connections of neurons that weren’t used at that precise moment. This negative plastic brain change erases some of the irrelevant or interfering activity in the brain.
10. Brain plasticity is a two-way street; it is just as easy to generate negative changes as it is positive ones.
You have a “use it or lose it” brain. It’s almost as easy to drive changes that impair memory and physical and mental abilities as it is to improve these things. Merzenich says that older people are absolute masters at encouraging plastic brain change in the wrong direction.
Your personal data that is being collected can and has already been mined and sold to marketing firms and law enforcement. You don’t need to be Margaret Atwood to imagine who your private information might be sold to, or what period-tracking data might be used for in a Republican state, or in a conservative court of law.
I really hate to sound alarmist, but this is Christofascist America in 2022, please protect yourself and act accordingly.
👉🏿 https://www.consumerreports.org/health-privacy/what-your-period-tracker-app-knows-about-you-a8701683935/
👉🏿 https://www.washingtonpost.com/technology/2022/05/04/abortion-digital-privacy/
👉🏿 https://www.newsnationnow.com/business/tech/abortion-data-privacy-question/
1. Scalp:
5 layers S - the Skin on head from which head hair grows
C - Connective tissue. A dense subcutaneous layer of fat and fibrous tissue that lies beneath the skin, containing the nerves and vessels of the scalp. A - The Aponeurosis called epicranial aponeurosis (Galea Aponeurotica). It is a tough layer of dense fibrous tissue which runs from the frontalis muscle anteriorly to the occipitals posteriorly. L - The loose areolar connective tissue. In scalping the scalp is torn off through this layer. It also provides a plane of access in craniofacial surgery and neurosurgery. This layer is sometimes referred to as the “danger zone” because of the ease by which infectious agents can spread through it to emissary veins which then drain into the cranium. P - The pericranium is the periosteum of the skull bones and provides nutrition to the bone and the capacity for repair. It may be lifted from the bone to allow removal of bone windows
2. Skull: It supports the structures of the face and provides a protective cavity for the brain. The skull is composed of 2 parts:
- the cranium - the mandible
The human skull is generally considered to consist of 22 bones—8 cranial bones and 14 facial skeleton bones. In the neurocranium these are the occipital bone, 2 temporal bones, 2 parietal bones, the sphenoid, ethmoid and frontal bones.
The bones of the facial skeleton are the vomer, 2 nasal conchae, 2 nasal bones, 2 maxilla, the mandible, 2 palatine bones, 2 zygomatic bones, and 2 lacrimal bones. Some sources count a paired bone as one, or the maxilla as having two bones (as its parts); some sources include the hyoid bone or the three ossicles of the middle ear but the overall general consensus of the number of bones in the human skull is the stated twenty-two. 3. Dura mater:
Thick membrane that is the outermost of the three layers of the meninges. The dura surrounds the brain and the spinal cord and is responsible for keeping in the cerebrospinal fluid. 4. Arachnoid 2nd layer of the meninges 5. Pia mater
3rd layer of meninges
6. Subarachnoid space
Space between arachnoid mater and pia mater It is occupied by spongy tissue consisting of trabecular (delicate connective tissue filaments that extend from the arachnoid mater and blend into the pia mater) and intercommunicating channels in which the cerebrospinal fluid (CSF) is contained. 7. Cerebral cortex
The Cerebral Cortex is made up of tightly packed neurons and is the wrinkly, outermost layer that surrounds the brain. It is also responsible for higher thought processes including speech and decision making . The cortex is divided into four different lobes, the frontal, parietal, temporal, and occipital, which are each responsible for processing different types of sensory information.
Virginia Woolf, A Writer’s Diary, August 18th 1921
[text ID: And so this August is wasted.]
✔ subjectively sorted by Hits || alphabetically listed || as of 2021.10 (5868 works) ✔ 2020 in review : (daily) complete fics + (monthly) longest fics + list of all the fests ✔ most popular fics of other years
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I am obsessed with this variant cover for the 3rd issue of the upcoming Tim Drake solo series.
John Green & David Levithan, Will Grayson, Will Grayson // @sweatermuppet // Jamaica Kincaid, The Autobiography of My Mother // Entropy, "Luck" // Anne Sexton, A Self-Portrait In Letters // @100493503004422 // I'm Not a Good Person—Pat The Bunny // Veronica Roth, Insurgent
I know that some days you barely exist- scrolling mindlessly for hours, trying to find some peace. I know that sometimes you wish you could be someone else because your 10 year old self had big plans to save the world and some part of you wants to make her proud still. I know that sometimes you feel like a side character in your own story, written with someone else's words. I want you to please unclench your jaw and let go of the tension in your shoulders and save yourself first. The sun is still out there and it'll be there tomorrow, ocean waves exist and oranges taste like peace.
I hope you say goodbye to the ghost of your 10 year old self because unlike her, you still exist.
-Ritika Jyala, excerpt from The Flesh I Burned
JUJUTSU KAISEN CHAPTER 267 ENGLISH TRANSLATION VIA RAGNAROK SCANS ⭐