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Figure 1.2-3 1. In this simple hand-withdrawal reflex, Brain
CLOSE & ASSESS A simple reflex information is carried from skin receptors
along a sensory neuron (shown by the
large red arrow) to the spinal cord. Sensory neuron
(incoming information)
Exit Activity From there it is passed via interneurons Interneuron
to motor neurons (blue arrow) that
lead to the muscles in the hand and arm.
(10 minutes) Ask students to review
this foundational module and then
engage in a So What? activity by
responding to the following:
Muscle
Spinal cord
• What takeaways from this module Motor neuron
will be important to know five years Skin (outgoing information)
receptors
from now? Why?
2. Because this reflex involves only the
spinal cord, the hand jerks away from the
Identify themes as students share their candle flame even before information
about the event has reached the brain,
responses with the class. where pain is experienced.
Distributed by Bedford, Freeman & Worth Publishers. Not for redistribution.
CLOSE & ASSESS
Exit Assessment Module 1.2 REVIEW
(30 minutes) This module provides
a nice opportunity to use a concept 1.2-1 What are the functions of the nervous and the autonomic nervous system (which controls invol-
untary muscles and glands by means of its sympathetic
system’s main divisions, and what are the three main
map. Have students, in pairs, create a types of neurons? and parasympathetic divisions).
concept map of the nervous system. • The three types of neurons cluster into working networks:
You can give them the main heading, • The central nervous system (CNS) — the brain and the spi- (1) Sensory (afferent) neurons carry incoming information
nal cord — is the nervous system’s decision maker.
from sense receptors to the brain and spinal cord.
“Nervous System,” and the first two • The peripheral nervous system (PNS), which connects the (2) Motor (efferent) neurons carry information from the
subheadings, “Peripheral” and “Cen- CNS to the rest of the body by means of nerves, gathers brain and spinal cord out to the muscles and glands.
tral.” Then let students take it from information and transmits CNS decisions to the rest of (3) Interneurons communicate within the brain and spinal
the body.
cord and process information between the sensory
there. Do not allow them to use their • The two main PNS divisions are the somatic nervous system inputs and motor outputs.
textbooks—only their notes and each (which enables voluntary control of the skeletal muscles)
other’s knowledge. Their concept
maps should look something like Copyright © Bedford, Freeman & Worth Publishers.
Figure 1.2-1. Time Saver: Have AP Practice Multiple Choice Questions
®
students do this individually outside
of class. Remember: Take time to 1. Which division of the nervous system calms a person 2. Thomas is walking down his favorite street in town.
address any misinformation that down once a stressful event has passed? Which division of the nervous system enables him to
comes up in this assessment activity. a. Parasympathetic move the muscles necessary to do this?
b. Central a. Central
c. Somatic b. Sympathetic
ASSESS d. Sympathetic c. Parasympathetic
d. Somatic
Answers to Module 1.2 AP ®
Practice Multiple Choice
Questions 26 Unit 1 Biological Bases of Behavior
1. a (SP 1.A) 2. d (SP 1.A)
03_myersAPpsychology4e_28116_ch01_002_163.indd 26 15/12/23 9:21 AM
26 Unit 1 Biological Bases of Behavior
03_HammerTE4e_47547_ch01_2a_163_4pp.indd 26 07/02/24 5:18 PM
