CHAPTER 1 Flashcards

Origins of Behavioral Neuroscience

1
Q

Generalization

A

Scientific explanation - a general conclusion based on many observations of similar phenomena

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2
Q

Reduction

A

Scientific explanation - A broader complex phenomena described using smaller ideas.
Break down phenomena into simpler fundamental components.

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3
Q

Dualism

A

Approach to the mindbody question - The body is physical, and the mind (soul) is not.

Body and mind are separate.

body = ordinary matter
mind = not ordinary matter

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4
Q

Monism

A

Approach to the mindbody question - Everything consists of matter and energy.

The mind is a phenomenon produced by the workings of the nervous system.

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5
Q

Hippocrates

A

concluded that the role of thoughts and emotions should be assigned to the brain.

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6
Q

Aristotle

A

concluded that the role of thoughts and emotions should be assigned to the heart.

The brain cooled the passions of the heart.

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7
Q

Galen

A

demonstrated that nerved connected to the brain

  • looked at different animals and discovered a highway of connections.
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8
Q

Rene Descarte

A

Believed animal behaviors to be controlled by the environmental stimuli.

Supporting monism - found human body movements can be automatic

Discovered reflexes - touch something hot - immediately move away

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9
Q

Reflexes

A

Automatic, stereotypical movement produced by the direct result of stimulus

I.e. something hot, you immediately move away from it.

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10
Q

Luigi Galvani

A

Studied how nervous system send messages to the muscles

Experimented on frogs using electric stimuli which resulted in a muscle contraction

Prompted others to study messages transmitted by the nerve and muscles

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11
Q

Johannes Muller

A

Discovered that messages in the brain occur in different channels of the brain. The brain is functionally divided.

Studied animal organs and tested responses using various chemicals and alternating environments (understanding the working of the body)

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12
Q

Doctrine of Specific Nerve Energies

A

Muller’s conclusions - because all nerve fibers carry the same type of message, sensory information must be specified by particular nerve fibers thar are active.

Nature of perception is defined by the pathway rather than which sensory information is carried

Example:
messages carried to optic nerves produce sensations of visual images

messages carried by auditory nerves produce sensations of sound

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13
Q

Pierre Florens

A

Discovered brain ablations

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14
Q

Experimental Ablation

A

Research method is which function o a part of the brain is inferred by observing behaviors and animal can no longer perform

Intentionally damaging the brain and observing the effects of said damage.

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15
Q

Paul Broca

A

Used Experimental ablation - found that damage to the frontal left hemisphere causes a loss of speech

Resulted in Broca’s area in the left side of the brain - performs functions necessary for speech

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16
Q

Epigenetics

A

Changes to gene expression induced by environmental factors.

17
Q

Functionalism

A

Principle - the best way to understand a biological phenomenon (a behavior or a physiological structure) is to try and understand it’s useful function for the organism

Example:

Large talons = large prey
green color = caterpillars camouflage and survive

18
Q

Natural Selection

A

Process by which inherited traits that confer a selective advantage become more prevalent in the population

MOTH EXAMPLE - the changing of environment - only those who can adapt survive, those who don’t die. Those that survive pass on said survival genes to others.

19
Q

Mutations

A

How the transition from generation to generation.
- accidental changes in chromosomes

Change in genetic information contained in chromosomes of sperm or eggs, and be passes on to an organism’s offspring; provides genetic variability

  • If a mutation kills you, it is not passed on
  • CAN be passed on if it helps you survive - thus evolution occurs
20
Q

Selective Advantage

A

A characteristic of an organism that permit it to produce more than the average number of offspring of it’s species

  • can be physical traits
  • effects pf physical changes can be seen in animal behavior.
21
Q

Evolution

A

Gradual change in structure and physiology of plant and animal species - generally produce more complex organisms - as a result of natural selection
(GRADUAL)

22
Q

Neoteny

A

Brain size is limited by birth canal. - solution

A slowing of the process o maturation allowing more time for growth; an important factor in development of large brains.

  • This is why elephants have bigger brain than us yet we are smarter
  • this continued growth created a “programmable computer
    -Allows ability for what the environment is requiring

EX. deaf orphans with no adults - creating their own sign language - example of neoteny

23
Q

Institutional Animal Care and Use Committee

A

A committee with the intention of insuring the humane treatment of all animals within a scientific environment.

24
Q

The 3 R’s of Animal Research

A

Replacement, Reduction, Refinement

25
Replacement
Use non-animal models whenever possible
26
Reduction 3r
Use smallest number of animals possible
27
Refinement
Minimize distress and improve welfare of animals
28
Informed Consent
Process in which researchers must inform a participant about the nature of the study, how data will be collected, stored, the anticipated benefits, and costs of participating will be.
29
Neuroethics
a interdisciplinary field devoted to understanding implications of and developing the best practices in ethics for neuroscience research. - studies implications of and develops best practices in ethics for neuroscience research.
30
Behavioral Neuroscientists
scientists who study philosophy of behavior, primarily by performing physiological and behavioral experiments with lab animals - Earn a Ph.D. - can be employed by colleges and universities for teaching and research - others are devoted to institutions of research -few work commercially
31
What is the ultimate function of the nervous system?
behavior
32
What is the mind-body question?
What role does the mind play in the control of behavior?
33
What gives one intelligence?
The quantity of neurons and how they connect with each other. NOT THE SIZE - size is dependent upon proportion and size of the birth canal enrichment can help with this - allowing a space for one to make connections themselves through activity etc.
34
Why is the use of animal research important?
The only way to learn understand the brain and physiology is through animal research. biology, evolution, etc.