Age-related macular degeneration (AMD or ARMD) is the most common cause of vision loss in those aged over 50. It causes a gradual loss of central (but not peripheral) vision. Central vision is needed for detailed work and for things like reading and driving. The disease does not lead to complete blindness.
Definition of Dissonance Dissonance is the use of impolite, harsh-sounding, and unusual words in poetry. In other words, it is a deliberate use of inharmonious words, phrases, or syllables intended to create harsh sounding effects.
As with meta-cognition, cognitive dissonance is one of learningâs great leaps forward. Most generally, cognitive dissonance is the moment in which a person recognizes that something does not seem right, intellectually speaking, and they are driven to figure out why that is.