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Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
Enter: cognitive shuffling, a method that's going viral as a "hack" for dozing off quicker. It's perfect for when you have a million racing thoughts—like how you're going to get the kids to ...
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
Antidepressants are common culprits. But sometimes the cause of memory lapses is inside your head because of how your brain is aging. As you get older, your brain gets “noisier.”. It’s like ...
Eidetic memory. Eidetic memory ( / aɪˈdɛtɪk / eye-DET-ik ), also known as photographic memory and total recall, is the ability to recall an image from memory with high precision—at least for a brief period of time—after seeing it only once [ 1] and without using a mnemonic device. [ 2]
Ἀεὶ κολοιὸς παρὰ κολοιῷ ἱζάνει. "A jackdaw is always found near a jackdaw". Ἀεὶ κολοιὸς παρὰ κολοιῷ ἱζάνει. Aeì koloiòs parà koloiôi hizánei. "A jackdaw is always found near a jackdaw". Similar to English "birds of a feather flock together." Papyrus, dated 75–125 A.D ...
In neuroanatomy, the optic chiasm, or optic chiasma ( / ɒptɪk kaɪæzəm /; from Greek χίασμα 'crossing', from Ancient Greek χιάζω 'to mark with an X '), is the part of the brain where the optic nerves cross. It is located at the bottom of the brain immediately inferior to the hypothalamus. [ 1] The optic chiasm is found in all ...
Visual memory describes the relationship between perceptual processing and the encoding, storage and retrieval of the resulting neural representations. Visual memory occurs over a broad time range spanning from eye movements to years in order to visually navigate to a previously visited location. [ 1] Visual memory is a form of memory which ...