Limbic system Group of interrelated subcortical structures involved in regulation of emotions and motivated behaviors such as hunger, thirst, aggression, and sexual behavior
Figure 2.21, Davis and Palladino, Psychology, p. 79.
Chapter 2 Psych 1 Online Stud
neuroscience > from several
disciplines; how the nervous system is related to
behavior; biological basis of behavior.
These processes of sensing,
processing, and responding are
used to interact with the
Specialized cells of
nervous system that
takes place in brain
muscles to produce
amino butryic acid (GABA)
After reading your text, why do researchers now
suggest that solution to the problems of Parkinson’s
disease is not administering dopamine?
must be removed from
the synapse before another signal can be
Removal is accomplished either by
destroying the neurotransmitter
(breakdown) or by taking it back into the
terminal buttons (reuptake).
• Influence transmission
of signals between
• Can have simultaneous
effects on diverse brain
• Facilitate release or
(electrically charged particles) are
found on the inside and outside of the neuron's
semipermeable cell membrane
When a neuron is in a resting state, more negative ions
are on the inside of the cell (measured at -70 mV) than
on the outside.
The reversal in electrical charge is known as an action potential.
lmages of the structures
• the PET (positron emission
the CT or CAT
the MRI (magnetic
and the fMRl (functional
back of head
front of head
The image above is a PET scan of
a patient with Broca's aphasia.