COURSE: PY454 Physiological
Psychology
PROFESSOR: Dr. Robert Dowman
OFFICE: 173 Science Center
PHONE: 268-3836
EMAIL: rdowman@clarkson.edu
TIME &
PLACE: Tues Thurs: 2:30-3:45 pm SC162
OFFICE HOURS: Mon and Wed 8:00-10:00 and/or by appointment. If these times aren’t convenient call or
email me to make an appointment at some other time.
TEXTBOOK: J.W. Kalat,
Biological Psychology, 8th Edition, 2004.
EVALUATION:
HOURLY
1 .................................... 21%
HOURLY
2 .................................... 22%
FINAL
EXAM ............................... 22%
QUIZES
………………………….. 15%
PAPER
………............................... 20%
PAPER:
A. Topics and grading rubric. The paper
will be 5 page report (1” margins, double spaced) discussing the neural
mechanism of any psychological phenomenon. Acceptable topics include, but are
not limited to Alzheimer’s disease, Parkinson's disease, aphasia, language,
attention, aggression, mechanisms of psychoactive drugs, use of artificial
neural networks to model psychological phenomena, sexual orientation. The paper
will use at least 5 references from peer-reviewed journal articles. Web sites
are not to be used as references (this does not include journals accessed
on-line). The paper will be graded on the quality of the writing and on how
well the information in the references are synthesized and applied to the
topic. For example, a well written paper that merely lists summaries of the 5
articles will earn a grade of C. A well written paper that uses the information
from the references to back up statements and/or conclusions will earn a grade
of A.
B.
Due dates: A statement of your topic and a list of 5 references related to the
topic are due February 1 (worth 1/20 points). A detailed outline that describes
the theme of each paragraph, the references that are going to be used to
support the theme, and the order in which the themes are going to be presented
is due Mar 1 (worth 4/20 points). The final paper is due April 14 (LATE PAPERS
WILL NOT BE ACCEPTED). Topic statements, outlines, and
the paper should be in word documents and submitted electronically to my email
address on or before the due date.
C. Style. The paper will have a title page (with your
name, date, course, and title of the paper) and a reference section (the title
and reference section are not included in the 5 page limit). Referencing
theories and experiments of others will be according to American Psychological
Association (APA) format. That is, the
authors and year of the study will be given in parentheses in the body of the
paper and the authors, title of the work, title of the journal, year, volume
and pages, or title of the book, publisher, and year if from a book, given in a
reference section at the end of the term paper (see Kalat
for examples, and
http://www.vanguard.edu/faculty/ddegelman/index.aspx?doc_id=796 for details).
Class
Schedule (tentative):
Week 1 (Jan 12-20): Introduction. Reading: Introduction and Chpt
1, Kalat; Cells of the nervous system, action
potential. Reading: Chpt 2 Kalat.
Week 2 (Jan 23-27): Synaptic
Transmission. Reading: Chpt 3 Kalat
Week 3 (Jan 30-Feb 3): Synaptic Transmission (cont). PAPER TOPIC
STATEMENT DUE FEB 1
Week 4 (Feb 6-10): Non-Visual Sensory
Systems. Reading: Pain Chpt 7
(pp. 197-205) Kalat. HOURLY 1 FEB 9
Week 5 (Feb
13-17): Non-Visual Sensory systems (cont) FEB BREAK
FEB 13-14
Week 6 (Feb
20-24): Vision. Reading: Chpt 6 Kalat
Week 7 (Feb 27- Mar 3): Vision. (cont). PAPER OUTLINE DUE MAR 1
Week 8 (Mar
6-10): Movement. Reading: Kalat Chpt 8.
***********************
SPRING BREAK MAR 13-17
*******************************
Week 9 (Mar
20-24): Movement (cont) HOURLY 2 MAR 23
Week 10 (Mar 27-31): Wakefulness and
Sleep. Reading: Chpt 9 Kalat.
Week 11 (Apr
3-7): Sexual Behavior. Reading: Chpt 11 Kalat
Week 12 (Apr
10-14): Emotion. Reading: Chpt 12 Kalat PAPER DUE
APR 14
Week 13 (Apr
17-21): Learning and Memory. Reading Chpt
13 Kalat.
Week 14 (Apr 24-28): Learning and Memory
(Cont).
Week 15 (May 1-5): Final Exams
LECTURE
OUTLINES:
INTRODUCTION:
Objective: Introduce Physiological psychology and its approach to the mind/brain
problem. Reading: Chpt 1 Kalat
Lecture Outline:
Physiological Psychology: Definition
Mind-Brain Problem
*Materialist
*Dualist
*Identity
*Emergent Property
Use of Animals in Brain Research: Ethical Issues
Learning Objectives:
*explain how the study of the brain can help our understanding of mind and
behavior
*compare and contrast the 4 main approaches to the mind brain problem:
dualist, materialist, identity, and emergent property.
*explain when it is and is not acceptable to use animals in brain research
CELLS OF THE NERVOUS SYSTEM
Reading: Chapter 2 Kalat.
Lecture Outline:
Cell Types: Neurons and Glia
Cell Organelles
Nerve Cell Structure
*Dendrites, soma, axon, axon terminals
Types of Neurons
*sensory, interneuron, motoneuron
Glia
Neuron Metabolism
Nerve Impulse (Action Potential)
*Resting Potential
*Action Potential
*Application: Action of Local/General Anesthetics
*Propagation of the Action Potential: Role of Myelin
*Application: Multiple Sclerosis
Learning Objectives
*identify and describe the function of the five main parts of a neuron:
soma, dendrites, axon, axon hillock, and axon terminals
*compare and contrast the structure and function of oligodendrocytes
and Schwann glial cells,
including their roles in recovery of function after damage
*describe the main function of astrocytes
*explain how large molecules, such as glucose and amino acids, gain access
to the brain
*explain why heroin has greater access to the brain than morphine
*describe the structure of the nerve cell membrane
*describe the nerve cell resting potential, and how it is developed and
maintained
*explain how changes in the voltage-gated sodium and
potassium channels gives rise to the action potential
*explain how the action potential is propagated down the axon
*explain how the absolute and relative refractory periods prevent the
action potential from backfiring (traveling in both directions along the axon)
*explain how myelin affects the propagation of the action potential
*describe how local anesthetics work
*describe how general anesthetics work
*describe how multiple sclerosis affects the nervous system.
SYNAPTIC TRANSMISSION
Reading:
Chapter 3, Kalat.
Lecture Outline:
Anatomy of the Synapse
Chemical Transmission: the release and binding of neurotransmitters
Post-Synaptic Effects
*Ionotropic
*Metabotropic
*Neuromodulatory
Presynaptic Receptors
Inactivation and Reuptake of Neurotransmitters
Types of Neurotransmitters
Neuronal Decision Making Processes
Application: Site of action of psychoactive drugs
Learning
objectives:
- Describe Loewi’s experiment demonstrating that synaptic
transmission at the neuromuscular junction is chemical and not electrical
- Describe
the sequence of events that begins with an action potential in the presynaptic terminal and ends with the release of
neurotransmitter into the synaptic cleft.
- Compare
and contrast ionotrophic and metabotrophic
receptor-ion channel interactions in the post-synaptic membrane.
- Explain
the role synaptic vesicles play in the quantal
nature of post-synaptic potentials described by Fatt
and Katz
- Describe
the factors that determine whether a neurotransmitter-receptor binding
interaction results in an inhibitory postsynaptic potential or an
excitatory postsynaptic potential
- Compare
and contrast neurotransmitters and neuromodulators
- Explain
how presynaptic receptors can influence the
amount of neurotransmitter released by the presynaptic
terminal
- Compare
and contrast the two main mechanisms that inactivate neurotransmitters
once they have been released into the synaptic cleft (enzymatic
degradation, reuptake)
- Explain
how acetylcholine can produce excitatory post-synaptic potentials at some
synapses, and inhibitory post-synaptic potentials at other synapses.
- Discuss
possible explanations for how enkephalin, an
endogenous opiate, can be involved in different functions (e.g., pain
inhibition vs. euphoria)
- Describe
how the following drugs affect synaptic transmission (including the type
of neurotransmitter affected): caffeine, cocaine, amphetamine, heroin, MAO
inhibitors, serotonin-selective reuptake
inhibitors.
NON-VISUAL SENSORY SYSTEMS: PAIN
Reading: Chpt 7, pp. 197-205 Kalat.
Lecture Outline:
Importance of psychological factors in
pain
Stimulus
Transduction
Pain Pathways
Response Properties of Neurons in the
Pain Pathways
Psychological Factors in Pain: Evidence
for Pain Inhibitory Mechanisms
Pain Inhibitory Processes
Learning Objectives:
- Explain the importance of pain perception in survival and
well being
- Describe situations where it is best if a noxious
stimulus produces pain, whereas in others it is best if the noxious
stimulus does not produce pain
- Describe the type of stimuli that activate the
peripheral nociceptors.
- Describe the functions of the 4 different types of
peripheral afferents in a mixed nerve (Aα ,Aβ, Aδ, C) and
compare with the 3 types in a sensory nerve
- Describe where the peripheral nociceptors
project into the spinal cord
- Compare and contrast the 2 different types of nociceptive cells in the spinal cord (nociceptive specific and wide dynamic range)
- Describe the brain areas and the sequence of
connections of the 3 main nociceptive pathways: Spinothalamic, Spinoreticular,
Spinomesencephalic
- Explain why the early attempts at treating intractable
pain by surgical resection of the spinothalamic
tract often resulted in pain that was worse than before the surgery
- Describe Melzack and Wall’s
original Gate Control Theory of Pain
- Describe the role of the periaqueductal
gray matter in opiate analgesia
- Using the known input and output connections of periaqueductal gray, explain how psychological factors
can result in inhibition of the nociceptive
pathways.
- Describe how acupuncture works
- Describe how physiological stress (e.g., activation of
the fight or flight response) affects pain.
VISION
Reading:
Chpt 6 Kalat.
Lecture Outline:
Stimulus
Eye
-Light path, including accommodation
-Retina
*Photoreceptors, horizontal, bipolar, and ganglion cells
*Transduction
Central Pathways
Brightness
-Ganglion cell receptive fields
-Principle of lateral inhibition
Color Vision
-Young-Helmholtz theory
-Opponent-Process theory
-Physiology of color vision
Shape perception
-Hubel and Wiesel and
the responses of cortical neurons
-principle of columnar organization
Separate Pathways for Different Functions
-3 major vision subsystems: Shape; Color/Brightness; Movement/Distance
-Anatomical separation of the different vision subsystems.
Learning
objectives:
- Describe the path light takes
through the eye
- Identify the structures in the eye
responsible for focusing an image on the retina, including which have
adjustable refraction and which have fixed refraction.
- Describe what is meant by retinotopic organization
- Describe how the rod receptors
convert light into neural activity (transduction)
- Describe where the rod and cone
receptors are located in the retina
- Explain why an image focused onto
the “blind spot” of the retina does not result in a conscious visual experience
- Describe the geniculostriate
visual pathway and its main function
- Describe the tectopulvinar
visual pathway and its main function
- Describe the suprachiasmatic
visual pathway and its main function
- Describe the receptive field of
retinal ganglion cells
- Explain how the retinal ganglion
cell’s receptive field explains the Hermann Grid illusion.
- Draw a wiring diagram between the
retinal receptors and ganglion cells that accounts for the ganglion cell
receptive field
- Compare and contrast the Young-Helmholtz (Trichromatic) and
Opponent-Process theories of color vision.
- Describe at which level of retinal
processing the Young-Helmholtz and
Opponent-Process theories operate.
- Compare and contrast the inputs and
receptive field properties of the parvocellular
and magnocellular cells in the lateral geniculate nucleus of the thalamus
- Describe how retinal ganglion cells
of the two eyes project onto the 6 lamina of the lateral geniculate nucleus.
- Describe how the visual field is
projected onto the primary visual cortex.
- Compare and contrast the receptive
fields of the simple and complex cells of the primary visual cortex
- Describe the columnar organization
of the primary visual cortex
- Compare and contrast the response
properties of cells in blob and inter-blob regions of the primary visual
cortex
- Describe where the lateral geniculate nucleus parvocellular
and magnocellular cells project to in the
primary visual cortex
- Describe the visual cortical areas
comprising the dorsal visual pathway
- Describe the visual cortical areas
comprising the ventral visual pathway
- Describe the inputs to the dorsal
and ventral visual pathways
- Compare and contrast the functions
of the dorsal and ventral visual pathways
- Describe how the Binding Theory
attempts to explain how information in separate anatomical locations in
the visual cortices is combined into a single, unified visual perception
MOVEMENT
Reading:
Kalat, Chpt. 8.
Lecture Outline:
Muscle
-movement about a joint
-slow, fast and intermediate twitch
Spinal control of movement
-stretch reflex
-flexion-crossed extension reflex
Types of Movements
-non-ballistic vs. ballistic
-skilled vs. non-skilled
Supraspinal
control of movement
-Motor cortices:
Primary
motor cortex
Supplementary
motor cortex
Premotor cortex
-basal ganglia
Learning
Objectives:
- Describe the reflex circuitry of the
spinal stretch reflex (anatomy, inputs and outputs)
- Describe the role of the muscle
spindle in the spinal stretch reflex
- Describe the functions of the intrafusal and extrafusal
muscle fibers in the spinal stretch reflex
- Describe the functions of the gamma
and alpha motor neurons in the spinal stretch reflex
- Explain how the spinal stretch
reflex corrects for external perturbations of a limb
- Explain how the spinal stretch
reflex can be used to compare intended and actual movements
- Describe the reflex circuitry of the
spinal flexion crossed extension reflex (anatomy, inputs and outputs)
- Explain the role of the spinal
flexion crossed extension reflex in escaping and avoiding noxious stimuli
- Explain how the spinal flexion
crossed extension reflex is used in walking
- Explain what role spinal reflexes
play in voluntary movements
- Describe the role of the central
pattern generator in the scratch reflex
- Identify the location of the central
pattern generator responsible for the scratch reflex
- Identify where the primary motor
cortex is located
- Describe the main inputs and outputs
of the primary motor cortex
- Describe the response properties of
neurons in the primary motor cortex
- Describe the function of the primary
motor cortex in voluntary movement
- Describe how small lesions of the
primary motor cortex affect its organization
- Identify where the supplementary
motor area is located
- Describe the main inputs and outputs
of the supplementary motor area
- Describe the main role of the
supplementary motor area in voluntary movement
- Identify where the basal ganglia are
located
- Describe the circuitry
interconnecting the basal ganglia structures
- Describe the main inputs and outputs
of the basal ganglia
- Describe the main role of the basal
ganglia in voluntary movements
- Use the circuitry of the basal
ganglia to explain the symptoms of Parkinson’s disease
- Use the circuitry of the basal
ganglia to explain Huntington’s disease
SLEEP
Reading: Chpt 9 Kalat.
Lecture Outline:
Sleep
-Physiological changes with sleep (EEG, EOG, EMG)
-Sleep stages
-Why do we sleep
*adaptive process
*restorative process
*function of REM sleep
-Brain mechanisms of sleep and arousal.
*Reticular formation and arousal
*raphe system and sleep
Circadian Rhythms
-Why do we wake/sleep in regular intervals
-Sleep wake/cycle and other processes regulated by internal clock
-The internal clock is the Suprachiamatic
Nucleus (SCN)
-SCN inputs, outputs
-Other rhythms
Learning Objectives:
·
Describe the electrophysiological (EEG, EOG,
EMG) characteristics that define the 4 stages of non-REM sleep
·
Describe the electrophysiological
characteristics that define REM sleep
·
Describe the differences between the delta,
theta, alpha and beta EEG frequency bands, and when they occur during the sleep
wake cycle
·
Compare and contrast the Adaptive and
Restorative theories of sleep
·
Explain the role of slow wave sleep in restoring
brain function
·
Describe how brain temperature affects sleep
·
Describe the Activation-Synthesis Theory of REM
sleep
·
Explain the role REM sleep plays in learning and
memory
·
Identify the brain areas involved in arousal
(waking) and sleep
·
Describe the role of the suprachiasmatic
nucleus in the diurnal rhythm
SEX
Reading:
Chapter 11 Kalat
Lecture Outline:
Introduction: female/male differences
Hormones and Behavior
Genetic differences
Hormonal differences
-Estrogen and Androgen
Sex hormone actions: Effects on physical structures and behavior
-Organizational effects
-Activational effects
Sexual orientation: What determines homo- vs. heterosexuality?
Learning
Objectives:
- Describe how the X and Y chromosomes
direct the development of the gonads
- Describe how the sex hormones direct
the development of the reproductive organs and genitalia
- Describe the mechanism whereby sex
hormones affect neurons
- Compare and contrast the
organizational and activational effects of sex
hormones
- Identify the brain areas that are
different between males and females
- Describe how increasing or
decreasing sex hormone levels affects reproductive behavior in males and
females
- Compare and contrast the effects of
sex hormone levels on a female’s receptivity, proceptivity
and attractivity.
- Describe how experience can affect sex
hormone levels
- Compare and contrast the Adrenogenital and the Androgen Insensitivity Syndromes
and explain how they support the hypothesis that sexual orientation is
biologically based
- Describe the Psychoanalytic theory
of homosexuality
- Identify the brain areas whose size
appears to be related to sexual orientation
- Describe how stress might impact
sexual orientation
- Compare and contrast the influence
of biological and environmental factors in determining sexual orientation
EMOTION
Reading: Kalat Chpt. 12
Lecture Outline
Components of the emotional response:
behavioral
autonomic
psychological
Theories of emotion
James Lange
Cannon Bard
Brain Areas involved in emotion
Learning
Objectives:
- Compare and contrast the James-Lange
and Cannon-Bard theories of emotion
- Describe the evidence against the
James-Lange theory of emotion
- Describe the role of autonomic
arousal in emotion
- Identify the brain areas involved in
emotion
- Describe MacLean’s 3 emotion circuits,
including the brain areas involved and their roles in emotion
- Describe the role of the amygdala in emotion
- Describe the role of the orbital
frontal cortex in emotion
LEARNING AND MEMORY
Reading: Chapter 13 Kalat
Lecture Outline:
Introduction
Nature of Learning and Memory
-learning processes (e.g., classical conditioning)
-memory types (short-term and long-term)
-Hebb's cell assembly theory of learning and
memory
Activity Dependent Plasticity in the Mammalian Nervous System
-Long-Term Potentiation (LTP)
-Cellular and biochemical mechanisms of LTP
-Possible role of LTP in Fear Conditioning
Learning Objectives:
- Describe
the procedure used in classical conditioning
- Define
unconditioned stimulus, conditioned stimulus, unconditioned response, and
conditioned response
- Compare
and contrast working memory and long-term memory
- Describe Hebb’s reverberating circuit theory of how memories
are formed
- Describe
how Hebb’s reverberating circuit theory accounts
for working memory and long-term memory
- Describe
how long-term potentiation is generated in the
hippocampus
- Describe
the roles of the NMDA, kainate, and quisqualate glutamate receptors in long-term potentiation in the hippocampus
- Explain
how high frequency stimulation of the perforant
pathway leads to an increase in the excitatory post-synaptic potentials in
the hippocampal cells
- Identify
the brain areas important in fear conditioning involving a neutral
auditory stimulus
- Explain
how the synaptic changes associated with long-term potentiation
can be used to explain auditory fear conditioning.
THE NEUROPSYCHOLOGY OF MEMORY
Reading: Chpt 13 Kalat
Lecture
Outline:
- Lashley's Studies: Search for the engram
- Clinical Studies
- H.M. and the Hippocampus
- Wernicke-Korsakoff's syndrome
- Alzheimer's Disease
- Prefrontal cortex and working memory
Learning objectives:
- Explain Lashley’s
concept of equipotentiality
- Explain Lashley’s
concept of mass action
- Describe the role of the hippocampus
in memory formation
- Describe Wernicke-Korsakoff’s
Syndrome
- Explain the causes of Wernicke-Korsakoff’s syndrome
- Describe the brain areas affected by
Wernicke-Korsakoff’s syndrome
- Describe the memory deficits
associated with Alzheimer’s disease
- Describe the cortical area involved
in working memory