Unit 3 Flashcards by Jaiden Petros

Dendrites

Receive messages

How well did you know this?

Not at all

Perfectly

Axon

Passes messages

How well did you know this?

Not at all

Perfectly

Myelin Sheath

makes transmission faster

How well did you know this?

Not at all

Perfectly

Action Potential

electrical charge

How well did you know this?

Not at all

Perfectly

Refractory Period

Toilet Flush

How well did you know this?

Not at all

Perfectly

Threshold

stimulation needed for an impulse

How well did you know this?

Not at all

Perfectly

Soma

Cell body + Life Support

How well did you know this?

Not at all

Perfectly

Synapse

Gap

How well did you know this?

Not at all

Perfectly

Neurotransmitter

Chemical messengers

How well did you know this?

Not at all

Perfectly

Endorphins

Natural opiates

How well did you know this?

Not at all

Perfectly

Agonist

stimulates a response

How well did you know this?

Not at all

Perfectly

Antagonist

blocks a response

How well did you know this?

Not at all

Perfectly

Heredity

characteristics being passed on

How well did you know this?

Not at all

Perfectly

Sensitive Period

Early development

How well did you know this?

Not at all

Perfectly

Monozygotic twins

one egg two babies

How well did you know this?

Not at all

Perfectly

Dizygotic Twins

2 eggs 2 babies

How well did you know this?

Not at all

Perfectly

Nervous System

nerve cells in peripheral/central NS

How well did you know this?

Not at all

Perfectly

Central NS

Brain and spinal cord

How well did you know this?

Not at all

Perfectly

Peripheral NS

Everything else connecting to body

How well did you know this?

Not at all

Perfectly

Nerves

Bundled axon connects CNS to body

How well did you know this?

Not at all

Perfectly

Sensory Nuerons

carry incoming info

How well did you know this?

Not at all

Perfectly

Motor Nuerons

Carry outgoing info

How well did you know this?

Not at all

Perfectly

Somatic NS

voluntary skeletal muscles

How well did you know this?

Not at all

Perfectly

Autonomic NS

controls glands and muscles

How well did you know this?

Not at all

Perfectly

Endocrine System

Slow but long release of hormones

Adrenal Glands

secretes hormones

Pituitary Gland

regulates growth and stress

Reflex Arc

Processes before the brain

Sympathetic NS

emergency response system

Parasympathetic NS

Calms down

Receptor Sites

Lock where NT fits into

EEG

recording of waves using electrodes

X-Ray photos from a computer

PET

Brain activity using glucose

MRI

magnetic fields to see soft tissue

fMRI

function and structure

Brainstem

automatic survival functions

Medulla

Heart and breathing

Thalamus

Sensory Control Center

Reticular Formation

filters out feelings

Cerebellum

Balance and movement coordination

Limbic System

Neural system for emotion and drive

Hippocampus

Memory headquarters

Amygdala

Linked to emotion

Hypothalamus

eating/drinking/body temp

Cerebral cortex

Interconnecting neural cells

Frontal Lobes

Speaking/thinking/muscle memory/plans

Parietal Lobes

input for touch/body position

Occipital Lobes

visual info from opposite eye

Temporal Lobes

Auditory Info from the opposite ear

Motor Cortex

voluntary movement

Somatosensory Cortex

parietal lobes (body touch/movement sensations)

Cortisol

Mood/motivation/fear

Epinephrine

Adrenaline

Gonads

Sex glands

Association Areas

Learn/remember/think/speak

Neurogenesis

Formation of new nuerons

Thyroid

metabolism/growth/appetite

Resting State/Potential

waiting for threshold to be reached

Pineal Gland

secretes melatonin

Acetylcholine

Thought/learning/memory

Serotonin

mood/happiness

Dopamine

Reward

Norepinephrine

fight or flight

GABA

calming tranquilizer

Glutamate

memory

Endorphins

euphoria

Dual processing

functions consciously and unconsciously

chromosomes

thread DNA to carry genes

Genome

instructions on an organism

Epigenetics

environmental influence on genes