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One Theory of Why Humans Quickly Evolved a Bigger Brain

question 34

Essay

One theory of why humans quickly evolved a bigger brain size is that there was intraspecific competition for mates and resources. What new behaviors might have emerged, and how could these explain the need for a greater amount of brain volume? Propose an explanation, giving specific examples of brain regions that might be involved.


Definitions:

Approach-Avoidance Conflict

A psychological struggle occurring when a goal is both appealing and disconcerting to an individual.

Approach-Approach Conflict

A psychological dilemma occurring when an individual must choose between two desirable outcomes.

Avoidance-Avoidance Conflict

A situation where a person must choose between two equally unattractive options or outcomes.

Joint Decisions

The process of making decisions collaboratively among two or more parties or stakeholders, often involving negotiation or consensus-building.

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