Final answer:
Micropsia, as defined by the DSM-5, is the visual perception that objects are smaller than they actually are. It's a symptom seen in various neurological and vision disorders, causing individuals to see their surroundings as miniaturized.
Step-by-step explanation:
The DSM-5 defines Micropsia as the visual perception that objects are smaller than they actually are. This phenomenon, often a symptom of certain neurological and vision disorders, distorts the individuals' perspective, making the world around them appear miniaturized.
Micropsia can be a symptom of conditions such as the Alice in Wonderland Syndrome (AIWS), migraines, or psyche-related disorders like derealization. It's significant to note that it is not a condition in itself, but rather a visual distortion symptomatic of other disorders.
In contrast, objects appearing larger than they are would be a condition called macropsia, not micropsia. Likewise, hallucinations involving sight and the misinterpretation of a real external stimulus are related to other psychological or neurological conditions.
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