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AP Psychology 1.4 Biological Bases of Behavior 2 Views


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AP Psychology 1.4 Biological Bases of Behavior. Motor neurons are also known as what?

Language:
English Language

Transcript

00:03

And here's your shmoop du jour brought to you by motor neurons, they

00:07

control movement just don't let them get low on motor oil here's our question [Boy falling asleep on a desk while studying]

00:11

motor neurons are also known as what and here are potential answers....[mumbling]

00:15

Let's start with C; interneurons.. create neuron

00:21

circuits that enable communication between sensory and motor neurons and

00:25

the central nervous system these guys work with the motor neurons which means

00:29

they can't be the motor neurons it's okay inner neuron you're beautiful just [Interneuron and motor neuron in a beauty pageant]

00:34

the way you are how about A? Well somatic neurons are most often referred to as

00:38

somatic motor neurons which simply describes the type of motor neuron

00:42

characterized by having an axon that leaves the central nervous system to [Diagram of brain and skeletal muscle]

00:45

connect with the somatic nervous system this is simply one type of motor neuron

00:50

not an alternate name for them and central neuron is about as correct as

00:54

Apple neuron or dangerous pajamas neuron or whatever sound of sloth makes neurons [Sloth feeding on a plant]

00:59

in that they're just made up answers that don't refer to anything at all

01:03

leaving us with the ever similar efferent and afferent answer but which

01:08

is it well we should think of the signals in the central nervous system is [Neuron sending signals]

01:12

traveling in one of two directions they either exit the central nervous system

01:16

to all the other muscles and glands of the body or they carry signals away from

01:21

those muscles and glands and back into the central nervous system seeing as

01:25

we're describing motor neurons as in the neurons that help you move we're [Persons leg shaking rapidly]

01:30

focusing on the neurons that exit the brain and control the muscle so which

01:34

answer is correct well the key is in the first letter of each word exit - efferent

01:39

away - afferent.. Seeing as were focused on those exiting neurons that control our [Neurons leaving a conveyor belt]

01:45

bodily movement the correct answer is B efferent neurons and who knows it might

01:50

not be so long before we start seeing Apple neurons well that was fast and we [Audience gathering watching iNeurons on stage]

01:56

want ten percent....

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