Primate Intelligence and Life History Theory

Primate brains

Large brains relative to body size in primates.

Life History Theory

Framework explaining trade-offs in energy allocation.

Selective pressures

Factors influencing evolution of traits in species.

Social Intelligence Hypothesis

Cognitive complexity linked to social living.

Ecological Factors

Environmental influences on cognitive evolution.

Frugivory

Dietary reliance on fruits requiring cognitive skills.

Extracted foods

Foods needing complex processing techniques.

Innovation

Ability to create solutions for novel problems.

Theory of Mind

Attributing mental states to oneself and others.

Dominance hierarchies

Social ranking system within primate groups.

Third-party relationships

Understanding connections between non-kin individuals.

Cognitive capabilities

Mental skills for problem-solving and learning.

Neocortex ratio

Measure of brain size related to cognition.

K selected species

Species with long gestation and low reproduction rates.

r selected species

Species with short gestation and high reproduction rates.

Longevity

Long lifespan associated with larger brain size.

Behavioral flexibility

Adaptability in behavior to changing environments.

Coalition partners

Individuals who support each other in social contexts.

Playback experiments

Tests using recorded sounds to study social knowledge.

Juvenile distress calls

Signals indicating danger, prompting maternal response.

Redirected aggression

Aggression directed at a different target than intended.

Cognitive evolution

Development of mental capabilities over time.

Extractive foraging

Gathering food requiring advanced cognitive skills.

Social bonds

Connections between individuals influencing group dynamics.

Metabolic costs

Energy expenditure associated with brain function.

Cognitive skills

Mental abilities for learning and memory.

Complex social interactions

Intricate relationships and behaviors within groups.

Anthropoids

Group including monkeys, apes, and humans.