Week 3

Question 1

Sensory Neurons

Answer 1

Transmit information from sensory cells in body called receptors to the brain.

Question 2

Interneurons

Answer 2

Nerve cells that connect other neutrons with one another

Question 3

Motor NEurons

Answer 3

transmit commands from interneurons to the glands and muscles of the body, most often through the spinal cord.

Question 4

Soma

Answer 4

Life Support, contains nucleus

Question 5

Dendrites

Answer 5

Receives the messages/ picks up signal

Question 6

Axon

Answer 6

The talker, transmits messages. is long

Question 7

Myelin Sheath

Answer 7

Protects the axon and speeds up transmission of messages

Question 8

Synapses

Answer 8

Contact points between neurons

Question 9

Synaptic gap

Answer 9

between synapses and axon

Question 10

Neurotransmitters

Answer 10

messages to neuron

Question 11

Endorphines

Answer 11

Natural opiate like neurotransmitter linked to pleasure and pain

Question 12

Exciatory neurotransmittors

Answer 12

rev up the neuron

Question 13

Norepinephrine

Answer 13

alertness and arousal (excitatory)

Question 14

Glutamate

Answer 14

Memory (excitatory)

Question 15

Inhibitory neurotransmittors

Answer 15

Chill neurons out

Question 16

GABA

Answer 16

Major inhibitory neurotransmitter inside the brain (inhibitory)

Question 17

Seritonin

Answer 17

sleep and emotional arousal, pain regulation. Mood hunger and sleep (inhibitory)

Question 18

Acetylcholine

Answer 18

enables muscle action, memory, learning (both)

Question 19

Dopamine

Answer 19

emotional arousal. Movement, Learning, attention and emotion (both)

Question 20

Endocrine System

Answer 20

slow chemical communication. a set of glands that secrete hormones into the blood stream

Question 21

Hormones

Answer 21

chemical messages that act on the brain, manufactured by the endocrine glands

Question 22

Resting potential

Answer 22

neuron is polarised with a negative charge inside the cell membrane and a positive charge outside

Question 23

Action impulse

Answer 23

when the neuron fires

Question 24

graded potential

Answer 24

the spreading voltages that occur as one neutron is excited by other neutrons.

Question 25

The two cerebral hemispheres are connected by the

Answer 25

corpus callosum

Question 26

The foundation of human thought and language is found in one of the functions of:

Answer 26

cerebral cortex

Question 27

Stimulation of the septal area of the limbic system

Answer 27

is powerfully reinforcing

Question 28

The term 'lateralised' refers to the fact that

Answer 28

cortical functions are localised to one or the other side of the brain

Question 29

Neurons send signals by

Answer 29

Neurons communicate with one another at the synapse through a process where a chemical message alters the electrical charge of the next neuro

Question 30

People with excessive levels of dopamine may experience

Answer 30

abnormally high levels in certain areas of the brain have been linked to schizophrenia

Question 31

The ability to feel a wedding ring on your finger and to see the cat running through a room requires a normally functioning _______ lobe

Answer 31

parietal

Question 32

parietal Lobes

Answer 32

The parietal lobes control various functions such as sense of touch, detecting movement in the environment, and experiencing one's own body

Question 33

Frontal lobe

Answer 33

Abstract thinking, planning, social skills

Question 34

Parietal lobe

Answer 34

touch, spatial orientation, non verbal thinking

Question 35

Occiptal lobe

Answer 35

Vision

Question 36

wernickes area

Answer 36

Speech comprehension

Question 37

Temporal lobe

Answer 37

Language hearing visual pattern recognition.

Question 38

Broca's area

Answer 38

Speech production

Question 39

cerebral cortex includes

Answer 39

primary areas with usually process raw sensory data

Question 40

Cerebral lateralisation

Answer 40

psychological functions are processed primarily by one hemisphere

Question 41

Left hemisphere is

Answer 41

more verbal and analytical

Question 42

Right hemisphere

Answer 42

non-linguistic functions

Question 43

Interneurons

Answer 43

connect neutrons with one another

Question 44

CNS

Answer 44

Central nervous sustem

Question 45

PNS

Answer 45

peripheral nervous system

Question 46

Somatic nervous system

Answer 46

Sensory neutrons that carry sensory information to the brain and motor newtons that direct the action of skeletal muscles

Question 47

Autonomic nervous system

Answer 47

Controls basic life processes such as the beating of the heart.

Question 48

Sympathetic nervous system

Answer 48

activated in response to threats or emotional arousal

Question 49

Parasypathetic nervous system

Answer 49

involved in routine activities such as maintaining the body's energy resources and restoring the stetted to an even keel after a sympathetic activation

Question 50

Inhibitory neurotransmitters

Answer 50

hyperpolarise the post-synaptic neuron Inhibitory neurotransmitters inhibit the firing of a neuron; that is, they reduce the likelihood that the post- synaptic neuron will fire.