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About this document
- Pages
- 3 pages
- Price
- $3 one-time, yours to keep
- Membership
- Included in every plan
- Format
- Subject
- Neuroscience, Psychology
- Module
- PSY 240 · Week 1
This document covers the structure and function of the brain and nervous system. It is useful for understanding the main parts of the brain and how they work together. It covers Week 1 of the PSY 240 course.
What's inside
- The brain and nervous system
- Central and peripheral nervous systems
- Main parts of the brain
- Brain cells and neurons
- Brain protection and fluid
Who it is for: Students taking the PSY 240 course. (Undergraduate)
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Summary
The brain is the body's largest and most complex organ. It is made up of billions of nerves and controls many functions. Students learn about the brain's structure, its parts, and how it works.
The Brain's Structure
The brain is made up of three main divisions: the forebrain, midbrain, and hindbrain. It is protected by the skull and meninges. The brainstem connects different parts of the brain.
The Nervous System
The nervous system makes decisions and communicates within the body. It is split into the central and peripheral nervous systems. Sensory nerves transmit information to the brain.
The Brain's Parts
The forebrain includes the cerebrum, thalamus, and hypothalamus. The midbrain has the tectum and tegmentum. The hindbrain consists of the cerebellum, pons, and medulla.
Neurons and Their Parts
Neurons process information and transmit it. They have four main structures: the soma, dendrite, axon, and terminal buttons. These structures help neurons receive and send information.
Key terms
- Synapses
- Connections between nerves that allow communication.
- Glial cells
- Cells that support the brain system.
- Cerebrospinal fluid
- Fluid in the subarachnoid space that protects the brain.
- Telencephalon
- The largest part of the brain that handles language.
- Neurons
- Nerve cells that process and transmit information.
- Neurotransmitters
- Chemicals that terminal buttons secrete to send messages.
Questions this document helps with
- What are the main divisions of the brain?
- How does the nervous system communicate within the body?
- What role do neurons play in the brain?
Summary written with AI from the document's text.
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