UNIT 1 TEST

1.1 Interaction of Heredity and Environment

Content in the CED

Nature and nurture

Genetic predisposition

Evolutionary perspective

Eugenics

Twin studies

1.2 Overview of the Nervous System

Content in the CED

Central nervous system (brain and spine)

Peripheral nervous system

Somatic nervous system

Autonomic nervous system

Sympathetic vs parasympathetic nervous system

1.3 The Neuron and Neural Firing

Content in the CED

Glial cell

Neurons

Reflex arc

Sensory neurons

Motor neurons

Interneurons

Neural transmission

All-or-nothing principle
Action potential
Depolarization
Refractory period
Resting potential
Reuptake
Firing threshold

Multiple sclerosis

Myasthenia gravis

Neurotransmitters: excitatory or inhibitory

Dopamine
Serotonin
Norepinephrine
Glutamate
GABA
Endorphins
Substance P
Acetylcholine

Hormones

Adrenaline
Leptin
Ghrelin
Melatonin
Oxytocin

Agonist vs. antagonist

Reuptake inhibitors

Psychoactive drugs

Stimulants (caffeine, cocaine)

Depressants (alcohol)

Hallucinogens (marijuana)

Opioids (heroin)

Tolerance

Addiction/dependence

Withdrawal symptoms