How Your Brain Understands What Your Ear Hears by National Institutes of Health, - HTML preview

PLEASE NOTE: This is an HTML preview only and some elements such as links or page numbers may be incorrect.
Download the book in PDF, ePub, Kindle for a complete version.

Introduction to

Introduction to How

Your Brain Understands

our Brain Understands

What Your Ear Hears

Human communication depends on taking in

What Are the Objectives of the Module?

information from the environment through the

How Your Brain Understands What Your Ear Hears

five senses and processing that information in the

has four objectives. The first is to help students

brain. The sense of hearing is critical to this

understand the interrelationship of hearing, lan-

process. Other mental abilities such as attention

guage, and human communication. It also helps

and memory are also important.

students develop healthy hearing habits so they

avoid noise-induced hearing loss.

Because human communication is a complex

process, it may be impaired in a variety of ways.

The second objective is to use hearing and com-

About one in six Americans must cope with some

munication as a way of understanding important

form of communication disorder, such as

scientific concepts. Lessons in this module help

• not being able to hear at all or having a hearing

students sharpen their skills in observation, criti-

impairment,

cal thinking, experimental design, and data analy-

• dizziness or balance problems,

sis. They also make connections to other

• stuttering,

disciplines such as English, mathematics, and

• ringing in the ears (tinnitus),

social science.

• not being able to speak (laryngeal cancer, apha-

The third objective is to convey to students the

sia), or

purpose of scientific research. Ongoing research

• autism.

affects how we understand the world around us

Research has helped us better understand com-

and gives us a foundation for improving our

munication disorders and what causes them.

choices about personal health and the health of

Already, research has led to the development of

our community. In this module, students experi-

vaccines for diseases such as measles, mumps,

ence how science provides evidence that hearing

meningitis, and rubella—diseases that previously

is key to language acquisition, that human com-

caused hearing loss for many people. Technolo-

munication is multisensory, and that excessive

gies to assist individuals with communication dis-

exposure to loud noise can lead to hearing loss.

orders have also been developed. Current and

The lessons in this module encourage students to

future research will help us better detect, diag-

think about the relationships among knowledge,

nose, intervene, rehabilitate, or treat newborns

choice, behavior, and human health in this way:

with hearing loss; understand the genetic contri-

Knowledge (what is known and not known) +

butions to hearing and communication; and apply

Choice = Power

appropriate technologies to assist those who have

communication disorders.

Power + Behavior = Enhanced Human Health

1

How Your Brain Understands What Your Ear Hears

The final objective of this module is to encourage

• It is an integrated module, drawing most heav-

students to think in terms of these relationships

ily from the subjects of science, social science,

now and as they grow older.

mathematics, and health.

• The module has a Web-based technology com-

Why Teach the Module?

ponent on which there are sound clips, video,

Middle school life science classes offer an ideal

and interactive animations.

setting for integrating many areas of student inter-

• The module includes built-in assessment tools,

est. In this module, students participate in activi-

which are noted in each of the lessons with an

ties that integrate inquiry science, human health,

assessment icon.

mathematics, and the interweaving of science,

In addition, the module provides a means for pro-

technology, and society. The real-life context of

fessional development. Teachers can engage in

the module’s classroom lessons is engaging, and

new and different teaching practices such as those

the knowledge gained can be applied immediately

described in this module without completely

to students’ lives.

overhauling their entire program. In Designing

Professional Development for Teachers of Science

“Nice reflection on self-issues of hearing. Many

and Mathematics, the authors write that supple-

students are amazed at how many times they might

ments such as this one “offer a window through

be causing damage.” – Field-Test Teacher

which teachers get a glimpse of what new teach-

ing strategies look like in action.”6 By experienc-

“I learned a lot about how hearing works and

ing a short-term unit, teachers can “change how

what you can do to keep it working well.”

they think about teaching and embrace new

– Field-Test Student

approaches that stimulate students to problem-

solve, reason, investigate, and construct their own

What’s in It for the Teacher?

meaning for the content.” The use of a supple-

How Your Brain Understands What Your Ear Hears

mental unit such as this module can encourage

meets many of the criteria by which teachers and

reflection and discussion, and stimulate teachers

their programs are assessed.

to improve their practices by focusing on student

• The module is standards based and meets sci-

learning through inquiry.

ence content, teaching, and assessment stan-

dards as expressed in the National Science

The following table correlates topics often included

Education Standards. It pays particular attention in a biology curriculum with the major concepts

to the standards that describe what students

presented in this module. This information is pre-

should know and be able to do with respect to

sented to help teachers make decisions about incor-

scientific inquiry.

porating this material into the curriculum.

2

Correlation of How Your Brain Understands What Your Ear Hears to Middle School Life Science Topics Topic

Lesson 1

Lesson 2

Lesson 3

Lesson 4

Lesson 5

Organisms sense and respond to

environmental stimuli.

Sound is a form of energy.

Energy can change from one form

to another.

Human health and medicine

Risk assessment and management

Relationship of science, technology,

and society

3