WHAT IS PSYCHOLOGY
What are the goals of psychology, and how is psychology a science?
o GOALS OF PSYCHOLOGY
o THE SCIENCE OF PSYCHOLOGY
Psychology is a social science but has its foundation in the natural
THE NERVOUS SYSTEM AND NEURONS
The Nervous System
o Nervous system is involved in thinking, dreaming, feeling, moving, and much
o It works when we are active or still, awake or asleep.
o Regulates our internal functions and how we react to the exte
THE EXPERIMENTAL METHOD
What are the purposes and elements of experiments?
o Purposes and Elements of Experiments
Researchers conduct experiments to learn about cause and effect.
Participants receive what is called a treatment
Researchers carefully observ
TESTING AND CASE-STUDY METHODS OF OBSERVATION
Method of Observation
o Everyone, at one time or another, observes other people.
o We observe people as they talk, eat, work, play and interact with others and
o We tend to make generalizations about
SURVEYS, SAMPLES, AND POPULATIONS
Why are proper sampling techniques important?
o Surveys are taken to find out about peoples attitudes and behaviors
o Two survey methodswritten questionnaires and interviewing
o The findings of interviews and qu
SENSATION AND PERCEPTION
Sensation and perception contribute to an understanding of our environment
o Sensation provides information to the central nervous system about the
o Perception is the process through which people interpret se
PARTS OF THE BRAIN
Parts of the Brain
o ThalamusLatin for inner chamber and serves as a relay station for
HypoGreek meaning under and is a tiny, but it is extremely
important because it is involved in many aspects of behavio
NEUROTRANSMITTERS, CNS, PNS
Neurotransmitters: Chemical Messengers
o Neurotransmittersare chemicals that are stored in sacs in he axon
o Neurons can fire hundreds of times every second.
o Several types of neurotransmitters
o Each has its own st
HISTORY AND 3 SECTIONS OF THE BRAIN
The Brain: Our Control Center
o The ancient Egyptians believed that a little person dwelled within the
skull and regulated behavior.
o Greek philosopher Aristotle thought that the soul resided in the heart.
Conducting Research (general info)
o Psychology is an experimental science
o Assumptions must be supported by evidence
o Procedures consists of five steps:
Forming a hypothesis
Testing the hypothesis
Analyzing the results
Forming a res