Examlex
According to the Rescorla-Wagner model, blocking occurs because when the second (blocked) CS is
presented, most of the learning that can occur has already been "used up" by the first CS.
Biological Specimens
Samples of biological material, such as blood, tissues, or cells, used for diagnostic, research, or teaching purposes.
Pathogens
Microorganisms that cause disease in hosts, including bacteria, viruses, fungi, and parasites.
HBV (Hepatitis B Virus)
A serious liver infection caused by the hepatitis B virus that can become chronic and lead to liver failure, cancer, or cirrhosis.
Immunizations
The process of making someone immune to an infection, typically by the administration of vaccines.
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