Lesson 1 Flashcards
What is the aim of the PSYC112/132 module?
To provide an introduction to key neuroscience concepts and develop a basic understanding of the complex links between the brain and behaviour.
Why is foundational knowledge of neuroscience important for psychology?
It helps understand the biological underpinnings of key psychological processes.
What are the two main divisions of the nervous system?
- Central Nervous System (CNS)
- Peripheral Nervous System (PNS)
What does the Central Nervous System (CNS) consist of?
- Brain
- Spinal Cord
What is the function of the Somatic Nervous System (SNS)?
Interacts with the external environment.
What do afferent nerves do?
Carry sensory information towards the CNS.
What do efferent nerves do?
Carry motor signals from the CNS to the skeletal muscles.
What is the role of the Autonomic Nervous System (ANS)?
Regulates the internal environment.
What are the two branches of the Autonomic Nervous System?
- Sympathetic Nervous System
- Parasympathetic Nervous System
What is the function of the Sympathetic Nervous System?
Stimulates, organizes, and mobilizes energy resources in threatening situations.
What is the function of the Parasympathetic Nervous System?
Conserves energy.
What are the three protective membranes of the CNS called?
- Dura mater
- Arachnoid membrane
- Pia mater
What is the function of cerebrospinal fluid (CSF)?
Provides support and cushions the brain and spinal cord.
What does the blood-brain barrier do?
Prevents the passage of toxic substances from the blood to the brain.
What is gray matter composed of?
Largely of cell bodies and unmyelinated neurons.