What's the difference between lection and vection?

Lection


Definition:

  • (n.) A lesson or selection, esp. of Scripture, read in divine service.
  • (n.) A reading; a variation in the text.

Example Sentences:

  • (1) The proposed mechanism of hemagglutination involves two sequential steps: (i) the action of neuraminidase to unmask galactose-containing receptors on the RBC and (ii) the multivalent binding of these receptors by many low-affinity lection sites on the bacterial surface.
  • (2) A antigens in endothelial cells, lateral membrane of pancreatic acinar cells and small mucouslike cells of submandibular glands from some individuals were likewise recognized by HAA and HPA but not by other blood group A-specific lections.
  • (3) Comparison of the Coomassie blue-stained electrophoretograms from each age-group against the corresponding autoradiograms of lection-binding proteins led us to conclude that, while the content of these proteins in the membrane achieve their mature levels at or before weaning, their terminal glycosylation (desialylation, fucosylation, N-acetylgalactosamination) is not fully established until later development.

Vection


Definition:

  • (n.) Vectitation.

Example Sentences:

  • (1) Epinephrine increased significantly (P less than 0.05) after vection only in the nauseated subjects, whereas dopamine levels were not altered by vection in either group.
  • (2) The sensation of limited body tilt has been attributed to conflict between visually-induced vection, and otolithic and somatosensory graviceptive information which indicates that the body has not moved.
  • (3) In addition, attention is given to the differential impairment of linear and circular vection and to the possible clinical application of vestibular evoked potentials.
  • (4) U.S. Coast Guard helicopter pilots were questioned on the occurrence of the vection illusion while flying over water under different light and sea conditions.
  • (5) A stationary subject surrounded by a visual display rotating about an earth-horizontal axis typically experiences a sensation of continuous self-rotation (vection) coupled with a paradoxical sensation of a limited degree of body tilt, both opposite to the direction of the stimulus.
  • (6) During vection six subjects reported nausea and developed gastric dysrhythmias; six other subjects had no nausea and remained in normal 3-cpm myoelectrical rhythms.
  • (7) Two tests of visual field dependence (a measure of reliance upon the spatial framework provided by vision in the perception of the upright)--roll vection and the rod and frame test--were administered to 136 participants aged fifty-nine to ninety-seven years.
  • (8) It is concluded that 1) vasopressin, not oxytocin, neurons in the magnocellular-neurohypophyseal system are activated during vection-induced nausea and gastric dysrhythmias; and 2) illusory self-motion may be used safely to study the neuroendocrine responses to brain-gut interactions and nausea in man.
  • (9) Also, the perception of foreground-background properties of competing displays determined which controlled forward vection, and this control was not tied to specific depth cues.
  • (10) Accounts of IM that stress visual capture of vection, afferent mechanisms, egocenter deviations, or phenomenological principles, although they may explain some forms of IM, do not account for the present results.
  • (11) If the central and peripheral displays were moved in opposite directions, vection strength was unaffected, and the direction of vection was determined by motion of the central display on almost half of the trials when the centre was far.
  • (12) Vection alone, or combined with head movements, has been shown to invoke motion sickness (MS).
  • (13) It has previously been reported that illusory self-rotation (circular vection) is most effectively induced by the more distant of two moving displays.
  • (14) Together with recent research on vection and postural adjustments, these results contradict the peripheral dominance hypothesis that peripheral vision is specialized for perception of self-motion.
  • (15) It has been concluded that, for vection, the addition of visual stimulation in the periphery is more important at low sinusoidal frequencies and high amplitudes; at higher frequencies, this produces a decrease in vection probably attributable to an increase in object motion perception.
  • (16) During the exposure phase, dizziness and self-vection increased over trials for the groups exposed to the drum, while dizziness remained unchanged over trials for the groups exposed to bodily rotation.
  • (17) Further, increasing the eccentricity of these displays from the central retina diminished vection strength.
  • (18) A more distant display had more influence over vection than a near display.
  • (19) It has previously been shown that when a moving and a stationary display are superimposed, illusory self-rotation (circular vection) is induced only when the moving display appears as the background.
  • (20) The purpose of this study was to investigate the effects of two different pre-exposure procedures on adaptation to motion sickness in a rotating circular vection drum.

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