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Spatial orientation (the inverse being spatial disorientation, aka spatial-D) is the ability to maintain body orientation and posture in relation to the surrounding environment (physical space) at rest and during motion. Humans have evolved to maintain spatial orientation on the ground.
Topographical disorientation is the inability to orient oneself in one's surroundings, sometimes as a result of focal brain damage. [1] This disability may result from the inability to make use of selective spatial information (e.g., environmental landmarks) or to orient by means of specific cognitive strategies such as the ability to form a mental representation of the environment, also known ...
Continued VFR into IMC is when an aircraft operating under visual flight rules intentionally or unintentionally enters into instrument meteorological conditions.Flying an aircraft without visual reference to the ground can lead to a phenomenon known as spatial disorientation, which can cause the pilot to misperceive the angle, altitude, and speed at which they are traveling.
Sense of direction is the ability to know one's location and perform wayfinding. [1] [2] It is related to cognitive maps, spatial awareness, and spatial cognition. [3]Sense of direction can be impaired by brain damage, such as in the case of topographical disorientation.
The Day the Music Died, spatial disorientation (controversial) Flash Airlines Flight 604, the leans (controversial) Gulf Air Flight 072, head-up illusion; Mount Erebus disaster, false visual reference illusion (featureless terrain indistinguishable from sky) Richard Rockefeller#Death, spatial disorientation
Studies have narrowed the area of the brain that, when damaged, causes visuospatial dysgnosia to the border of the occipito-temporoparietal region. [1] Predominantly, lesions (damage, often from stroke) are found in the angular gyrus of the right hemisphere (in people with left-hemisphere language), and are usually unilateral, meaning in one hemisphere of the brain.
This situation consists of two elements: the feeling of disorientation and a spatial component. [2] While getting lost , being lost or totally lost , etc. are popular expressions for someone in a desperate situation (perhaps not literally lost), getting lost is also a positive term for a goal some travellers have in exploring without a plan.
The leans is the most common type of spatial disorientation for aviators. Through stabilization of the fluid in the semicircular canals, a pilot may perceive straight and level flight while actually in a banked turn. This is caused by a quick return to level flight after a gradual, prolonged turn that the pilot failed to notice.