2017 Voss Article: Dynamic Brains And The Changing Rules Of Neuroplasticity: Implications For Learning And Recovering Flashcards Preview

Neuroplasticity > 2017 Voss Article: Dynamic Brains And The Changing Rules Of Neuroplasticity: Implications For Learning And Recovering > Flashcards

Flashcards in 2017 Voss Article: Dynamic Brains And The Changing Rules Of Neuroplasticity: Implications For Learning And Recovering Deck (12)
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1

Neuroplasticity defined as:

(Brains ability to what?)

(Voss + Thomas, 2017)

A general umbrella term that refers to the brain’s ability to modify, change and adapt both structure and function throughout life and in response to experience

2

Several lines of evidence suggest that mechanisms of neuroplasticity are extremely variable across what?

and throughout what?

(Voss + Thomas, 2017)

Individuals and throughout the lifetime

3

Key role is played by what three areas in neuroplasticity?

And what factors can they interact with?

(Voss + Thomas 2017)

Critical periods, plasticity inhibitors, and neuromodulator systems

And can interact with age, sex, and sensory experience

4

Age is the key determination in what for plasticity?

(Voss + Thomas 2017)

In exerppeint-dependent cortical plasticity and critical periods (CPs)

However there is a growing body of evidence demonstrating that CPs can be reopened later in life

5

what effects the time of critical periods (CPs)?

(Voss + Thomas 2017)

The quality and quantity of sensory inputs

6

What can enriched environments do? (Three key things)

(Voss + Thomas, 2017)

1. Prolong CPs plasticity
2. Stimulate dendritic growth
3. Improve neuronal response properties

7

What does the excess presence of specific stimulace do during CPs?

(Voss + Thomas 2017)

Results in exaggerated incorporation into the sensory map

As well as the salient (most notable or important) stimuli present- can affect timing

8

Sensory inputs with low signal to nose ration can do what?

(Voss + Thomas 2017)

Trigger plasticity in the mature cortex

Therefore enriched environments and discrimaition training coudl be used to counteract or prevent the effects of degraded sensory inputs on mature brains (may authors references)

9

What types of interventions are there that target regulators of plasticity? (4 things)

(Voss + Thomas 2017)

1. Cognitive training
2. Neuro-pharmaceuticals (in particular those that influence the neuromodulator systems)
3. Physical exercise
4. Enriched environment

10

Neuromodulator systems consist of what?

(Avery + Krichmar 2017)

Consists of small pools of neurons (on the order of thousands in the rodent and tens of thousands in the human) located in the brainstem, pontine nucleus, and basal forebrain, which can have a powerful effect on cognitive behavior.

11

What can postpone critical periods (CP) onset and maintain cortical neutrons in an immature state?

(Voss + Thomas, 2017)

A deprived enriched environment or unstructured nosy environments

12

What variability are there in the mechanisms of neuroplasticity? (6 things)

(Voss + Thomas, 2017)

1. Inhibitory network function
2. neuromodulator systems
3. age,
4. sex,
5. brain disease
6. physiological traits

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