Chapters 3-5 Flashcards
What are Neurotransmitters?
Chemicals that carry messages between neurons.
What is GABA?
Inhibits neural firing, helps regulate aggression, eating.
What is serotonin?
Associated with sleep, eating, and mood.
What is dopamoine?
Parkinson’s disease.
Central N.S.
Brain and spinal cord
Peripheral N.S.
2-way communication
Autonomic Division
Controls internal organs and glands.
Somatic Divison
Controls skelatol Muscles.
Sympathetic Division
Energizes the body
Parasympathetic Division
Conserves Energy
Central Core
“Old Brain”
What does the human brain control?
Most of the basic functions related to our survival.
What is medulla?
Breathing and Heartbeat.
What is the Cerebellum?
Some intellectual functions like balance and coordination.
Hippocampus
Involved in memory.
What is the Cerebral Cortex?
“The new brain” it makes us human and allows for high level of mental processing.
Frontal Lobe
Planning, voluntary behaviors and personality.
Partial Lobe
Touch and sensation
Occipital Lobe
Vision
Temporal Lobe
Hearing
Endocrine System
system of glands that release hormones.
Pituitary Gland
Located in the brain and called “master gland.”
Thyroid Gland
Regulates metabolism
Stimulus
Any form of energy capable of forming a response.
Sensation
The process where receptor cells send a nerve impulse to the brain.
Perception
e process where the brain interprets sensations.
Sensory Adaption
Our system’s ability to provide info is reduced after prolonged exposure to a stimulus.
Absolute threshold
Minimum strength of a stimulus needed to be detected.
Data driven Processing
“Bottom up” Sensory data is present
Perceptual set
Expectations that guide our expectations.
Subliminal messages
These messages do not change our behavior.
REM
Dreaming occurs in REM and physical changes occur.
Sleep Apnea
Stops breathing while sleeping.
Narcolepsy
Uncontrollable urge for sleep
Sleep walking
Stage 3 sleep (deepest level)
REM Behavior disorder
acting out our dreams
what does Freud Believe?
Dreams are meaningful and must be interpreted. “The interpretation of dreams 1890s”
What is Activation Synthesis?
Dreams are not symbolic or important.
What is DARE?
Research shows graduates are equally likely to use drugs.
Depressants
Depress the activity in the brain, slow down the neural firing.
Hallucinations
Alter perceptual processes or produce hallucinations.
Narcotics
Maine feature is plain relief.
