Are you struggling to keep up with your psychology lectures? Look no further! Prof: David Weber
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September 3, 2024 | PSY 1013 Notes from PPT and Discussion
- Use advanced technologies to study
the links between biological
(genetic,neural, hormonal)
CHAPTER 2 OVERVIEW: processes and psychological
processes
Module 4 : Neuronal and Hormonal
Systems A Wrongheaded Theory
Module 5 : Tools of Discovery: Having Our
Head Examined - (a) Despite initial acceptance of
Module 6 : Brain Regions and Structures Franz Gall’s speculations, bumps on
Module 7 : Damage Responses and Brain the skull tell us nothing about the
Hemispheres brain’s underlying functions. Yet,
some of his assumptions have held
Chapter 2: The Biology of Mind true.
- Do you know what these
Module 4 : Neuronal and Hormonal assumptions are?
Systems
Neural and Hormonal Systems: Biology,
Neural and Hormonal Systems Behavior, and Mind (part 3)
Neural and Hormonal Systems: Biology, During the last century, researchers made
Behavior, and Mind (part 1) many discoveries.
- The adaptive brain is wired by
Everything psychological is simultaneously experience.
biological. - Nerve cells conduct electricity and
- Psychologists working from a communicate through chemical
biological perspective study the links messages across tiny separating
between biology and behavior. gaps.
- Humans are biopsychosocial - Specific brain systems serve specific
systems in which biological, functions.
psychological, and social- cultural - Information is integrated to construct
factors interact to influence behavior. a wide range of experiences.
Neural and Hormonal Systems: Biology, Neural and Hormonal Systems: The
Behavior, and Mind (part 2) Power of
Understanding of the relationship between Neuroplasticity
brain and mind has evolved over time. - Involves brain’s ability to change,
- Aristotle: Mind is found in the heart. especially during childhood, by
- Gall: Phrenology reveals mental reorganizing after damage or by
abilities and character traits. building new pathways based on
experience
Biological psychologists today - Is part of what makes humans
exceptional
1
, September 3, 2024 | PSY 1013 Notes from PPT and Discussion
- Some axons are encased in a
Cultural neuroscientists myelin sheath , which enables
- Argue that experiencing different faster transmission of the signal.
cultural traditions, beliefs, and rituals - Glial cells provide myelin and
can create distinct behaviors and support, nourish, and protect
brain activation patterns neurons. They also play a role in
thinking and learning.
Neural Communications: Terms to Learn
- If a combined signal received by a
- Neuron neuron exceeds a minimum
- Cell body threshold, the neuron fires,
- Dendrites transmitting an electrical impulse
- Axon down its axon through a
- Myelin sheath chemical-to-electricity process.
- Glial cells (glia) - The neuron’s reaction is an
- Action potential all-or-none process.
- Threshold
- Refractory period
Neurons Communicating (part 1)
- All-or-none response
- Synapse
- Our billions of neurons exist in a vast
- Neurotransmitters
and densely interconnected web.
- Reuptake
- As part of a fascinating
electrochemical communication
process, one neuron’s terminal
branches send messages to
neighboring dendrites.
ACTION POTENTIAL
Putting It All Together: Neurons and
Information Transmission
- Neurons are the elementary
components of the nervous system
the body’s speedy electrochemical
system.
- A neuron receives signals through
branching dendrites and sends
signals through its axons.
.
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