Psykologi Kapitel 2

Front 1

Action potential

Back 1

action potential/ nerve impuls. Goes down the axon

Front 2

Axon

Back 2

Transmit signals to other neurons

Front 3

Brain imaging

Back 3

Exempel PET scan

Front 4

Broca's aphasia

Back 4

Damage to frontal lobe causes confusion in understanding the meanings of words and form

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Broca's area

Back 5

Frontal lobe, language

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Cerebral cortex

Back 6

layer of tissue about 3 mm thick that covers the brain

Front 7

Cognitive neuroscience

Back 7

the study of physiological basis of cognition

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Dendrites

Back 8

branch out from the cell body to receive signals from other neurons

Front 9

Distributed coding

Back 9

The code that indicates a specific face distributing across a number of neurons

Front 10

Distributed processing

Back 10

Specific functions are processed by many different areas of the brain

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Event-related potential (ERP)

Back 11

A method of recording rapid electrical responses of the human brain

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extrastriste body area (EBA)

Back 12

Part of the brain that gets activated by pictures of bodies and part of bodies. ( not faces)

Front 13

Feature detectors

Back 13

"Tree" We don't see the tree through direct contact with it, but through the way it's represented by action potentials in the brain

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Frontal lobe

Back 14

Part of the brain that receives signals from all of the senses

Front 15

Functional magnetic resonance imaging (fMRI)

Back 15

Measurement of blood flow in the brain without radioactive

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Fusiform face area (ffa)

Back 16

Are in brain that recognizes faces

Front 17

Grandmother cell

Back 17

According to Lettvin, a neuron that respons only to a specific image, such as a picture of your grandmother

Front 18

Localization of functions

Back 18

Specific functions are served ny specific areas of the brain.

Front 19

Microelectrode

Back 19

Small shafts of hollow glas filled with a conductive salt solution that can pick up electrical signals and conduct back to device

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Module

Back 20

Area specialized for a specific function

Front 21

Nerve fiber

Back 21

Axon/nerve fiber

Front 22

Nerve impuls

Back 22

Electrical signal (action potential)

Front 23

Nerve net

Back 23

A complex pathway for conducting signals uninterrupted through the network

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Neural circuits

Back 24

Many neurons connected together

Front 25

Neural code

Back 25

The way patterns of neural firing represents environmental stimuli

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Neuron

Back 26

Basic building blocks of the brain

Front 27

Neuron doctrine

Back 27

the idea that individual cells transit signals in the nervous system, and that they are not a net

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Neurotransmitter

Back 28

When a signal reaches the end of an axon, a chemical (neurotransmitter) is released to make it possible to go over the synaptic gap to dendrites

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Occipital lobe

Back 29

Vision

Front 30

Parahippocampal place area (PPA)

Back 30

Area that gets activated by pictures of indoor and outdoor scenes

Front 31

Parietal lobe

Back 31

Skin, senses, touch, pain, temp

Front 32

Positron emisson tomography (PET)

Back 32

Blodflöde med radioaktivt ämne

Front 33

Primary receiving area

Back 33

The first areas of the cerebral cortex to receive signals from each of the senses

Front 34

Prosopagnosia

Back 34

An inability to recognize faces

Front 35

Receptors

Back 35

Neurons that picks up information about the environment (skin, eye, ear)

Front 36

Recording electrode

Back 36

Connected to a device to record microelectrodes

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Reference electrode

Back 37

located outside the tissue, connected to the recording device to record microelectrodes

Front 38

Retina

Back 38

The layer of neurons that line the back of the eye

Front 39

Specificity coding

Back 39

The representation of specific stimulus, and neurons that respond to just that face

Front 40

Subtraction technique

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Control activity - stimulation activity (to measure brain activity)

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Synapse

Back 41

The gap between an axon on one neuron and the dendrites or cell body of another neuron

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Temporal lobe

Back 42

Auditory

Front 43

Wernicke's aphasia

Back 43

Unable to understand speech and writing

Front 44

Wernicke's area

Back 44

Area in temporal lobe. Fluent speech but incoherent