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Perception

July 7, 2023 by ktangen

Time

Time perception is not one of our greatest skills.

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June 8, 2023 by ktangen

Perception Principles

Building with odd windows

Perception is active, not passive. We attack you incoming data as it arrives. We don’t wait. We use rules to help us process things more quickly. Perception -principles are primarily simple, fast, and efficient rules. They include sorting like items together and scariest things first. Simple rules are combined into complex ways of locating objects, identifying friends and avoiding enemies.

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June 8, 2023 by ktangen

Visual Disorders

Disorders

Vision is a complicated system. There are a lot of components and processes. Sometimes things go wrong. Here are some of the major examples of visual disorders. Some can be corrected but many can’t. Once vision is gone there is little that can be done.

Nystagmus is a disorder which impairs vision by causing involuntary eye movements. The eyes move rapidly back and forth. Some believe it is an autofocus feature gone wrong. The eyes are searching for focus. Many current models blame the connection between the eyes and the semicircular canals of the inner ear. When looking at a distant object, you can turn your head but maintain your gaze. To accomplish this tasks, signals are exchanged between the eyes and the semicircular canals. When the connection works well, you can maintain a fixed gaze and turn your head without getting dizzy. When something is wrong with the signaling from the semicircular canals, the eyes shift rapidly. In humans, nystagmus is congenital in albinos, can develop in infancy from disease, or comes on in adulthood as a result of drug or alcohol addiction.

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June 8, 2023 by ktangen

Human Eye

Woman
The human eye is a wonder. It transducers light into patterns of neural activity.Then we use those neural signals to help us move around and understand our environment.

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June 8, 2023 by ktangen

Light & Eyes

Light

What Is Light

Light and eyes go together. They are in that category of useful mysteries. It is not alone. We use the warmth of the campfire without knowing much about thermodynamics . We drink water without knowing much about hydration. And for  many of us, we dress ourselves in clothes without knowing much about style.

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June 5, 2023 by ktangen

Jung

You Want, Less Than You Need
Carl Jung (1875-1961) was the first outsider to join Freud’s inner circle. Jung was not Jewish, not born in or around Vienna, and wasn’t even Austrian. Carl Jung was bron and raised in Switzerland. He was an only child who was not good at relationships but did well in school. Carl was a loner, didn’t like competition, and was teased by his peers (he tended to faint under pressure).

Jung felt closer to his mother but he described her as having two personalities: humorous and unpredictable. Some suggest Jung’s interest in psychiatry was because his mother was schizophrenic. His mother may have been hospitalized when he was three but there is little evidence that it was for schizophrenia.

Was Jung schizophrenic? Carl Jung was certainly weird. But whether that weirdness was genius or mental illness is a matter of opinion. There are propoents on each side of the issue. Jung’s ideas are very scattered, which can be seen as artistic or symptomatic.Adding to the controversy, Jung referred to himself as having two personalities: the one in this life and the one from a previous centurty in which he was an old man. Similarly some see creativity or pathology in the breadth of his concepts and the incorporation of occult and mythology imagery.

There is no question that Jung was imaginative. He tended to see the world and himself in a larger context. Even his autobigraphy, which was published after his death, was as much mythology as historical truth. Jung had a vision of a ”monstrous flood” that would cover most of Europe, though not the mountains of Switzerland. The vision was followed by several weeks of recurring dreams about rivers and floods of blood. This was not a child’s dream; Jung was 38 at the time, but very vivid. When WWI began, Jung viewed his vision as having been a prediction. I like the idea of predicting the future. If you have a dream on Tuesday and something happens on Thursday, it’s interesting. But Jung’s vision was in the fall of 1913, and the start of WWI was in August of 1916. For me, it three years ruins the illusion.

Jung was pursued many arts. He painted, sculpted, drew and wrote. Although he explored many fields, he was always looking for themese and commonalities. For Jung, everything had a meaning. One of his therapeutic techniques (amplification) involved expanding every detail of a dream into associations. Instead of Freud’s free association (jumping from thread to thread), Jung prefered to elict multiple associations from the same item. The more associations that can be made, the easier it was to discover underlying themes. And the more themes that can be discovered, the easier it is to find archetitypes (overriding, universal themes that impact behavior).

One pair of architypes Jung repeatedly encoutered was persona (outward image) and shadow (inner self). Jung maintained that people protect themselves and influence others by presenting a persona that is more presentable than the reality in which they live. Although we don’t intentionally lie, we do try mask the realities of our inner pain. We do this, of course, unconsciously.

Jung differs from Freud on what is unconscious. For Jung, people have both a personal unconscious (undiscovered personal experiences) and a collective unconscious (undiscovered univeral experiences). The collective unconscious is a repository of all human knowledge, including our pre-human experiences. It is filled with primordial images: memories from out ancentral past. For Jung, the goal of life, and much of the fun and pain of life, is the discovery of what the universe is trying to tell us through this collection of symbols and images.

Also open to discovery is our personality types. Jung proposed four basic functions (sensation, intuition, thinking and feeling) that can be combined with two primary attitudes (introversion and extroversion) to create eight personality types. There are several personality tests based on Jungian assumptions, including the Thematic Apperception Test (TAT), the Rorschach inkblot test, and the more recent Myers-Briggs. These tests, like Jung’s theory, are quite creative and broad. Although critics point out the terrible test-retest reliabilities of the instruments, supporters point to the wealth of creative data they produce.

Filed Under: Perception

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