AP®︎ Psychology Unit 1: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 1 of AP Psychology – Biological Bases of Behavior.
Unit 1: Biological Bases of Behavior
This unit explores how biology influences behavior, focusing on the brain, nervous system, neurotransmitters, and genetics. It also examines sleep and sensation as key biological processes that shape human experience.
Begin with Topic 1.1: Interaction of Heredity a...To review Unit 1, go through each of the 6 topics below.
Everything you actually need to know for your Unit 1 test, pulled directly from the AP® Psychology curriculum.
Interaction of Heredity and Environment
Interaction of Heredity and Environment
- What Heredity and Environment Are
- How Heredity and Environment Interact
- Heritability and the Evolutionary Perspective
Overview of the Nervous System
Overview of the Nervous System
- How the Nervous System Is Organized
- Central and Peripheral Nervous Systems
- The Two Divisions of the Peripheral Nervous System
The Neuron and Neural Firing
The Neuron and Neural Firing
- What Neurons Do
- Types of Neurons and the Reflex Arc
- How Neural Firing and Synaptic Transmission Work
The Brain
The Brain
- What the Brain Does
- Major Brain Structures and What They Control
- Hemispheres, Language, and Split-Brain Findings
Sleep
Sleep
- Sleep and the Sleep-Wake Cycle
- Sleep Stages and Brain-Wave Patterns
- Dreams and Why Sleep Happens
Notes
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