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Orientation columns are organized regions of neurons that are excited by visual line stimuli of varying angles. These columns are located in the primary visual cortex (V1) and span multiple cortical layers. The geometry of the orientation columns are arranged in slabs that are perpendicular to the surface of the primary visual cortex. [1] [2]
Positioning theory is a theory in social psychology that characterizes interactions between individuals. "Position" can be defined as an alterable collection of beliefs of an individual with regards to their rights, duties, and obligations. "Positioning" is the mechanism through which roles are assigned or denied, either to oneself or others.
Posture can signal an individual's position in social hierarchy. A comparison of two different postures. On the left is an example of a more energized attitude; on the right is an example of a depressed attitude. If two people of different social standings talk to each other, the person with a higher position usually takes a more relaxed attitude.
The concept of "right-brained" or "left-brained" individuals is considered a widespread myth which oversimplifies the true nature of the brain's cerebral hemispheres (for a recent counter position, though, see below). Proof leading to the "mythbuster" of the left-/right-brained concept is increasing as more and more studies are brought to light.
Damage to the left hemisphere in patients results in a marked increase in depression. [n 7] Valence asymmetry may be due to more cholinergic and dopaminergic on the left hemisphere and the right hemisphere being more noradrenergic. Patients with right hemisphere damage had reduced arousal response to painful stimuli.
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In her book, Personality Type: An Owners Manual, Thomson advances the hypothesis of a modular relationship between the cognitive functions paralleling left-right brain lateralization. In this approach, the judging functions are in the front-left and back-right brains, and the perception functions are in the back-left and front-right brains.
Being short a stock means that you have a negative position in the stock and will profit if the stock falls. Being long a stock is straightforward: You purchase shares in the company and you’re ...