Psychology at Simon Fraser University | Flashcards & Summaries

Lernmaterialien für Psychology an der Simon Fraser University

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graded potentials have many what?

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graded potentials can have many different gradients or levels

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describe hindbrain and its structures 

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Coordinates information coming
into and out of the spinal cord
and controls the basic functions
of life.
¨
Structures
¤ Cerebellum
¤ Medulla
¤ Pons
¤ Reticular formation

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what does Balance and equilibrium rely on?

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 relies on the inner ear (semicircular canals) as well as vision and touch

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what are the Steps in Synaptic Transmission?

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1. Synthesis
2. Transportation/Storage
3. Release
4.Binding
5. Deactivation
6. Autoreceptor activation
7. Reuptake
8. Degradation

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describe the division of PNS

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¤ Somatic nervous system – voluntary functions (e.g., moving
your hand); efferent/afferent nervous
¤ Autonomic nervous system – involuntary functions (e.g.,
heart rate); sympathetic and parasympathetic divisions

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what do neurotransmitters have?

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Neurotransmitters only have two possible effects. They are either excitatory (causing an EPSP) or inhibitory (causing an IPSP)

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Describe The Somatic Nervous System

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Nerves that connect to skeletal muscles and sensory
receptors throughout the body
¤ Afferent nerves (sensory nerves)
¤ Efferent nerves (motor nerves)

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what are the Neuron Structure's Important components

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¤ Dendrites
¤ Soma (cell body)
¤ Axon
¤ Myelin sheath
¤ Axon terminal
¤ Synapse

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what are the two main Divisions of the Nervous System

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¤ Central nervous system (CNS) – encased in bone  brain & spinal cord
¤ Peripheral nervous system (PNS) – everything outside of
the brain and spinal cord

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Describe resting potential 

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Neurons at rest have a stable
negative charge (-70 mV)
¤ Resting potential is caused by an
unequal distribution of ions
n More sodium ions outside the cell
n More potassium ions inside the cell

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Describe what happens durrig Action Potential

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¤ During an action potential, there is
brief reversal in the charge of the
membrane (i.e., it becomes positive)
 this is call neuronal firing

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describe limbic system and cerebrum in the forebrain

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Limbic system – set of
structures that are important in
emotions, memory, motivation,
and olfaction
¨
Cerebrum – complex cognitive
abilities

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Q:

graded potentials have many what?

A:

graded potentials can have many different gradients or levels

Q:

describe hindbrain and its structures 

A:

Coordinates information coming
into and out of the spinal cord
and controls the basic functions
of life.
¨
Structures
¤ Cerebellum
¤ Medulla
¤ Pons
¤ Reticular formation

Q:

what does Balance and equilibrium rely on?

A:

 relies on the inner ear (semicircular canals) as well as vision and touch

Q:

what are the Steps in Synaptic Transmission?

A:

1. Synthesis
2. Transportation/Storage
3. Release
4.Binding
5. Deactivation
6. Autoreceptor activation
7. Reuptake
8. Degradation

Q:

describe the division of PNS

A:

¤ Somatic nervous system – voluntary functions (e.g., moving
your hand); efferent/afferent nervous
¤ Autonomic nervous system – involuntary functions (e.g.,
heart rate); sympathetic and parasympathetic divisions

Mehr Karteikarten anzeigen
Q:

what do neurotransmitters have?

A:

Neurotransmitters only have two possible effects. They are either excitatory (causing an EPSP) or inhibitory (causing an IPSP)

Q:

Describe The Somatic Nervous System

A:

Nerves that connect to skeletal muscles and sensory
receptors throughout the body
¤ Afferent nerves (sensory nerves)
¤ Efferent nerves (motor nerves)

Q:

what are the Neuron Structure's Important components

A:

¤ Dendrites
¤ Soma (cell body)
¤ Axon
¤ Myelin sheath
¤ Axon terminal
¤ Synapse

Q:

what are the two main Divisions of the Nervous System

A:

¤ Central nervous system (CNS) – encased in bone  brain & spinal cord
¤ Peripheral nervous system (PNS) – everything outside of
the brain and spinal cord

Q:

Describe resting potential 

A:

Neurons at rest have a stable
negative charge (-70 mV)
¤ Resting potential is caused by an
unequal distribution of ions
n More sodium ions outside the cell
n More potassium ions inside the cell

Q:

Describe what happens durrig Action Potential

A:

¤ During an action potential, there is
brief reversal in the charge of the
membrane (i.e., it becomes positive)
 this is call neuronal firing

Q:

describe limbic system and cerebrum in the forebrain

A:

Limbic system – set of
structures that are important in
emotions, memory, motivation,
and olfaction
¨
Cerebrum – complex cognitive
abilities

Psychology

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