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Posting Materials, Lectures, Concepts and Terms related to Neuroscience and Psychology. Also some food for thought content.

πŸ“Œ For any queries, suggestions, complaints contact at psycorner3@gmail.com
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🧠 The distinction most students miss in exams:

Retrograde vs Anterograde Amnesia

Both are memory loss. But the direction is everything.

πŸ“Retrograde Amnesia
Cannot recall memories before the injury.
The past is gone. New memories can still form.

πŸ“Anterograde Amnesia
Cannot form new memories after the injury.
Past intact. Present doesn't stick.

CLASSIC CASE

Patient H.M.
Hippocampus removed in 1953.
Could recall his childhood perfectly.
Could not remember anyone he met after surgery β€” including his doctors, every single day.

⚠️ Exam Trap
Retro = before injury
Antero = after injury


#CUET2026 #Memory #PsychologyRevision
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The "N-Effect": Why Big Crowds Kill Your Drive


​Ever felt more motivated in a small group than in a massive exam hall? That’s the N-Effect.

β€’Social psychology shows that as the number of competitors (N) increases, your individual effort actually decreases.

β€’Your brain isn't being lazy; it's being a cold-blooded statistician. It subconsciously calculates that in a crowd of 1,000, your "odds of winning" are too low to justify burning maximum energy.
Getzels & Jackson's Approaches of Creativity


GETZELS AND JACKSON emphasized the role of problem-solving and cognitive processes in creativity.

They proposed the cognitive approach, which highlights the mental processes involved in generating creative solutions to problems.
Why re-reading your notes the night before never works.


You've done it. Everyone has.
Reading the same page four times.
Feeling productive. Retaining almost nothing.


πŸ“CRAIK & LOCKHART explained this in 1972.
Re-reading is shallow processing.

Your brain recognises the words .. it doesn't encode the meaning.

Recognition feels like memory. It isn't.

πŸ“What Actually Works:
β†’ Close the notes. Write everything you remember.
β†’ Explain the concept to an imaginary person out loud.
β†’ Connect it to something that already happened in your life.

The struggle to retrieve is the learning.
Comfort during studying is usually a warning sign.

Tip

After every study session ... take 5 minutes to write what you remember without looking. Karpicke & Roediger (2008) showed this alone improves retention by up to 80%.

#Psychology #StudySmart
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πŸ“PERCEPTUAL SET β€” Allport (1955)πŸ“

Perception is never Neutral.

It is always filtered through expectation, motivation, emotion and past experience.


Factors creating a perceptual set:


β†’ Expectation β€” you see what you anticipate seeing
β†’ Motivation β€” hungry people perceive food-related stimuli faster
β†’ Emotion β€” anxious individuals detect threat stimuli at lower thresholds
β†’ Culture β€” MΓΌller-Lyer illusion affects Western observers more than Zulu people raised without angular environments

Bruner & Minturn (1955):

Same ambiguous figure .. shown among numbers = "13." Shown among letters = "B."
Identical stimulus. Context changed everything.

⚠️ Exam Point:

Perceptual Set proves perception is top-down β€” expectation shapes sensory data before conscious awareness.

#Perception
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The Case of GENIE β€” The Girl Raised in Silence


Los Angeles. 1970.

A 13 year old girl discovered locked in a room.
Strapped to a potty chair since infancy.
No human contact. No language. No stimulation.

Her father beat her if she made any sound.

For 13 years β€” silence was survival.

When found β€” she couldn't stand straight.

Couldn't chew solid food.
Had never seen a colour.

Psychologists and linguists rushed to study her.
Could a human acquire language after the critical period?

She learned vocabulary rapidly.
Grammar β€” never.


Despite years of intensive therapy β€” she never acquired full grammatical language.

What Genie proved:

β†’ Critical Period Hypothesis β€” Lenneberg (1967)
β†’ Language acquisition requires exposure during a specific developmental window
β†’ After puberty β€” full grammatical acquisition becomes neurologically impossible

She was failed by science as much as by her father.
Researchers competed for access. Funding dried up. She was passed between foster homes.

The last confirmed report β€” she lives in an adult care facility.
She has never been found by the public.

#CaseStudy #Language
The version of you that formed under pressure.


Every Coping Mechanism you have
made perfect sense when you developed it.

Shutting down emotionally β€” protected you when expressing emotion was unsafe.

✧ People-pleasing β€” kept the peace when conflict was dangerous.
✧ Hypervigilance β€” kept you prepared when your environment was unpredictable.

THEY WERE SOLUTIONS.

The problem is they're still running
in situations that don't require them anymore.

You're Not Broken.
You're running old software in a new environment.

The update isn't Self-criticism.
It's recognising which responses belong to them β€” and which belong to now.

#Psychology
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πŸ’‘ ONE IDEA BEFORE SLEEP


The version of you that says "I'M FINE"
and the version that isn't β€”
are both trying to protect something.

Just different things.
β™₯️
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You can still be mysterious after over sharing cause in that moment everyone is thinking

"why would she/he say that"


πŸ‘‡πŸ‘‡πŸ‘‡
Β°β€’Β° helpiingsoul Β°β€’Β°
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πŸ“YOUR BRAIN RUNS ON CHEMICALS.
when they go wrong β€”
everything changes.

Parkinson's β€” dopamine drops

body loses its instruction system
tremors. rigidity. slow movement.

Alzheimer's β€” acetylcholine disappears

memories stop forming
the person stays. the self slowly goes.

Schizophrenia β€” dopamine floods wrong pathways

brain creates its own reality
delusions. hallucinations. disorganised thinking.

Depression β€” serotonin and norepinephrine drop

brain loses ability to feel forward
not sadness. emptiness.

Anxiety β€” GABA falls

brain's off switch stops working
everything feels like a threat.

Bipolar β€” dopamine and serotonin swing wildly

highs that feel like superpowers
lows that feel unsurvivable.

Epilepsy β€” electrical storm in the brain

body loses all voluntary control temporarily.

MS β€” immune system attacks its own myelin

messages between brain and body
get lost in translation.

Huntington's β€” single genetic mutation

brain cells slowly die
no treatment. purely inherited.

ALS β€” motor neurons degenerate

mind stays completely sharp.
body stops responding.
one function at a time.

one organ.
ten ways it breaks.
ten completely different lives.


Β° wayOFpsychology Β°
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