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Phineas Gage
Brain damage caused profound
psychological changes.
Fig. 1.1.2
Structure of the Neuron
Chemical signals (i.e.,
neurotransmitters) are
released from terminals
Nerve impulses (i.e.,
action potentials)
move along the
axon
Fig. 1.2.1
Two Neurons
(including synapse, the point of
functional connection between
them)
SYNAPSE
Fig. 1.2.2
(magnified view of synapse)
CNS and PNS
(including sensory, motor and autonomic components of PNS)
Fig. 1.2.3
Lesion Method
-study of the behavioral effects of damage to the
nervous system
Fig. 1.3.1
Recording of the Electrical Activity
of the Nervous System: EEG
Electrical activity is recorded from the surface of
the skull; “brain waves” represent electrical
changes over time
Fig. 1.3.2
Single Neuron Recording
Also known as “single unit” recording. As a rat moves through
a maze, activity of “place cells” can be recorded in a brain area
known as the hippocampus.
Action
Potentials
Fig. 1.3.3
Microdialysis Methods
(allows for measurement of chemical activity in the brain)
Fig. 1.3.4
CT or CAT Scan of the Brain
Fig. 1.3.5
MRI Methods
Fig. 1.3.6
fMRI Methods
A brain area known as the amygdala
is activated by fear.
Fig. 1.3.7
PET Imaging Methods
Fig. 1.3.8