Examlex
What is one likely explanation for many optical illusions?
Hygiene Hypothesis
A theory suggesting that a lack of early childhood exposure to infectious agents, symbiotic microorganisms (such as those found in the gut), and parasites increases susceptibility to allergic diseases by suppressing the natural development of the immune system.
Immune Systems
The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders (pathogens).
Reaction Time
The interval of time between the presentation of a stimulus and the initiation of the muscular response to that stimulus.
Stimulus Response
A concept in psychology that describes how an individual reacts to a stimulus; it's the basic unit of learning and behavior.
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