Which Event Occurs First During Embryonic Development

question 2

Multiple Choice

Which event occurs first during embryonic development?

• A) gastrulation
• B) neurulation
• C) cleavage
• D) organ formation

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Definitions:

Carl Rogers

An influential American psychologist who founded the client-centered approach to psychotherapy.

Operant Conditioning

The process by which a response becomes more likely to occur or less so, depending on its consequences.

Classical Conditioning

The process by which a previously neutral stimulus becomes associated with a stimulus that already elicits a response and, in turn, acquires the capacity to elicit a similar or related response. Also called Pavlovian or respondent conditioning.

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning techniques.