Chapter 1 and 2 Psych Exam

Every time neuron fires, it transmits an impulse of the same strength. This occurrence is know as the ________________.

all-or-none principle

A neuron has a(n) ____________ that extends like a trunk from the cell body and transmits information away from the cell body.

axon (dendrites transmit information TO the cell body)

In a formal experiment, the participants who are subjected to an independent variable make up the _________ group.

experimental

__________ remove dead neurons and waste products from the nervous system.

glial cells

The _________ minimizes leakage of the electrical current being carried along the axon, thereby allowing messages to be conducted more efficiently.

myelin sheath

The _________ is the branch of the autonomic nervous system that allows the body to slow down and conserve energy.

parasympathetic division

Each kind of neurotransmitter has a unique chemical structure, and each can fit into a specially tailored harbor, or __________, on the cell receiving a message.

receptor site

When a neural impulse reaches the axon terminal of a neuron, the vesicles release varying amounts of neurotransmitters into the _____________.

synaptic cleft

Excitatory influences from a target neuron's neighbors will push the target neuron ___________.

toward firing

Which of the following refers to a time during which a neuron is insensitive to messages from other neurons and does not fire?

A refractory period.

Out of self-actualization, unconscious motives, free will, or self-expressions, which would be least likely to be heard emphasized by a humanistic psychologist>?

unconscious motives

________ should concentrate on observable behavior that can be directly measured and recorded.

behaviorism

In an experimental research design, the variable or condition that is manipulated by the researcher is called the ___________ variable.

independent

____________ are specialized cells of the nervous system that receive and transmit messages.

neurons

Memory, perception, learning, intelligence, language, and problem solving are all areas that are of particular interest to a ___________ psychologist.

cognitive

The Structuralist school of thought in psychology of whom Titchener was a member, believed psychologists should analyze complex experiments in terms of ____________.

individual emotions, images, and sensations.

The brain and the spinal cord make up the _________________, which controls and commands bodily functions.

Central Nervous System

The electroencephalograph (EEG) is a method of:

Detecting brain waves by means of measuring the current between electrodes places on the scalp

"The whole is greater than the sum of its parts" is a statement associated with the _____________ perspective.

Gestalt

In ______________, to track the metabolism go glucose, a radioactive compound called a tracer is mixed with glucose and injected into the blood stream.

PET scan

In 1879 in Germany, the first psychological laboratory was developed by _____________.

Wilhelm Wundt