Chapter 3: Biopsychology

Front

Changes in behavior and cognitive processes over time are studied by.

Back

behavioral geneticists

Front

The theory of _______ states that organisms that are better suited for their environment will survive and reproduce, while those that are poorly suited for their environment will die off.

Back

evolution by natural selection

Front

Human eggs and sperm each contain 23, which are composed of long strands of.

Back

chromosomes; DNA

Front

The ______ of a neuron contain ______ that house neurotransmitters, the chemical messengers of the nervous system.

Back

axons; terminal buttons

Front

During an action potential, what happens to sodium levels inside the cell?

Back

increase

Front

A(n) ________ is the electrical signal that typically moves from the neuron’s cell body down the axon to the axon terminals.

Back

action potential

Front

Selective serotonin reuptake inhibitors (SSRIs) are drugs commonly prescribed for.

Back

depression

Front

The two major divisions of the nervous system are the ___ and ___.

Back

central; peripheral nervous systems

Front

The nervous system is responsible for responses such as pupil dilation, increased heart rate, and increased respiration.

Back

sympathetic

Front

The nervous system is responsible for stimulating digestion and causing the bladder to contract.

Back

parasympathetic