Capella University

PSYC-FPX3310: Brain, Body, and Behavior

A guide to Capella's FlexPath course on the nervous system, neurological bases of behavior, sleep, addiction and mental health.

Updated October 2026 · 5 min read

PSYC-FPX3310 explores the mind-body connection and the biological bases of behavior.

The catalog says students analyze the structure and functions of the nervous system, brain evolution and plasticity, the methodology of physiological psychology, and the neurological bases of sensation, perception, motivation, emotion and higher cortical functions.

They also explore the biopsychological underpinnings of sleep and consciousness, addiction and mental health. For many students the difficulty is vocabulary: structures and processes have unfamiliar names that must be learned and then connected to behavior.

Course at a Glance

ItemDetails
UniversityCapella University (FlexPath)
Course codePSYC-FPX3310
Program points3
LevelUndergraduate, 3000-level
PrerequisitePSYC-FPX1010
Subject areaBiological psychology and physiological psychology

What PSYC-FPX3310 Covers

AreaQuestions to be able to answer
Nervous systemWhat are its parts and what does each do?
Brain evolution and plasticityHow did the brain develop, and how does experience change it?
MethodsHow do researchers study brain and behavior?
Sensation and perceptionHow does the nervous system process the world?
Motivation, emotion and higher functionsWhich systems support them?
Sleep and consciousnessWhat biological processes are involved?
Addiction and mental healthHow do biological factors contribute?

Key Ideas Worth Mastering

Neurons and Communication

Neurons communicate through electrical signals within cells and chemical signals between them. Learn the sequence once, then reuse it to explain topics from learning to addiction.

Example (simplified): A signal travels along a neuron, triggers release of a neurotransmitter across a gap, and binds to receptors on the next cell. Drugs, medications and experience can change how much transmitter is released or how long it acts, which is why the same sequence helps explain mood and addiction.

Plasticity

The brain changes with experience. Learning, practice and injury recovery all illustrate plasticity. Give an example, cite research, and avoid claiming that people use only a small part of their brains.

Correlation and Causation in Brain Research

Brain imaging often shows associations between activity and behavior. Be careful to say "associated with" unless the study design supports a causal claim.

Typical Assessments and How to Approach Them

Task typeWhat it testsHow to approach it
System explanationStructure and functionUse a labeled diagram description and a short example
Behavior analysisLinking biology to behaviorName the mechanism, then the behavior it supports
Applied topic paperSleep, addiction or mental healthCombine biological, psychological and social factors with sources

A Study Plan for the Vocabulary

Learn the nervous system in layers rather than all at once.

LayerLearnCheck by
CellsNeurons, glia, synapses, transmittersExplaining signaling in your own words
StructuresMajor brain regions and their rolesDrawing and labeling from memory
SystemsSensory, motor, emotion and arousal systemsTracing a behavior through the systems
ApplicationsSleep, addiction, mental healthWriting a one-paragraph summary for each

Explaining Biology Clearly

Write for an intelligent reader who has not studied neuroscience. Define each term on first use, describe function before structure where possible, and give one behavioral example for each region or process.

Use cautious wording in conclusions: "is associated with", "plays a role in", "contributes to". Then explain the methods behind the claim, such as imaging, lesion studies or measurements of body activity, and what each can and cannot show. Assessors reward answers that know the difference between seeing activity and proving a cause.

For applied topics such as addiction and sleep, add the social and psychological layers so the answer covers more than biology alone.

Before You Submit

Pacing the Course

Short, frequent sessions beat long ones for vocabulary. Spend ten minutes each day redrawing a structure or process from memory, and spend longer sessions on explanation and application. Finish with the applied topics, where sleep, addiction and mental health combine what you have learned about cells, structures and systems.

Where Students Get Stuck

Study Tips for PSYC-FPX3310

How We Help with PSYC-FPX3310

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Frequently Asked Questions

What is the prerequisite for PSYC-FPX3310?

The catalog lists PSYC-FPX1010.

How many program points?

3.

Does it cover addiction?

Yes, the biopsychological underpinnings of addiction and mental health are included.

Does it cover sleep?

Yes, sleep and consciousness are part of the description.

Is there a GuidedPath version?

Capella lists PSYC3310 with the same title.

Is it a medical course?

No. It is a psychology course on biological bases of behavior, not medical training.