Brain and Its Functions- Part 3

Brain and Its Functions Part 3 Dr. Prithika Chary Consultant Neurologist and Neurosurgeon Adopted by Prof.K.Prabhakar, [email_address]

Can We change Brain? ,[object Object]

Neuroplasticity Is the lifelong ability of the brain to reorganize neural pathways based on new experiences

Can the brain change ? Is it nature or nurture? ,[object Object],[object Object],[object Object]

PLASTIC – Ability to adapt ,[object Object],The ability of the brain to change with learning is what is known as neuroplasticity .

NEUROPLASTICITY ,[object Object],[object Object],[object Object],[object Object]

NEUROPLASTICITY ,[object Object],[object Object]

Periods of rapid change or plasticity occur in the brain under four main conditions: ,[object Object],[object Object],[object Object],[object Object]

While plasticity occurs over an individual’s lifetime, different types of plasticity dominate during certain periods of one’s life and are less prevalent during other periods . ,[object Object],[object Object]

What are the basic processes involved in brain development? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Developmental Plasticity: Synaptic Pruning ,[object Object],[object Object],[object Object]

Developmental Plasticity: Synaptic Pruning ,[object Object],[object Object]

ACTIVITY DETERMINED NEUROPLASTICITY ,[object Object],[object Object],[object Object],[object Object],[object Object]

APOPTOSIS ,[object Object],[object Object],[object Object]

APOPTOSIS ,[object Object],[object Object],[object Object],[object Object],[object Object]

Cortical Maps ,[object Object],[object Object],[object Object],[object Object]

The adult brain is driven by behavioral experience ,[object Object],[object Object],[object Object]

Practice makes perfect ,[object Object],[object Object]

Selective attention ,[object Object],[object Object],[object Object]

space and time ,[object Object],[object Object],[object Object]

Keeping in touch ,[object Object],[object Object],[object Object]

Weightlifting for the Mind: Enriched Environments and Cortical Plasticity ,[object Object]

If negative early experiences could impair brain development, could positive experiences enhance the brain? ,[object Object],[object Object]

"cerebral exercise" ,[object Object],[object Object]

Enriched Environments ,[object Object],[object Object]

The orange dots represent the multiple synapses on a single neuron. ,[object Object],[object Object],[object Object],USE IT OR LOSE IT

Developmental Plasticity – synaptic pruning ,[object Object],[object Object]

Plasticity of Learning and Memory ,[object Object],[object Object],[object Object],[object Object]

LEARNING ,[object Object],[object Object],[object Object],[object Object],[object Object]

Learning Windows ,[object Object],[object Object]

Myelination ,[object Object],[object Object],[object Object],[object Object]

At birth… ,[object Object],[object Object],[object Object]

In childhood… ,[object Object],[object Object]

During Adolescence… ,[object Object],[object Object],[object Object]

Into Adulthood… ,[object Object],[object Object],[object Object]

Injury-induced Plasticity: Plasticity and Brain Repair ,[object Object],[object Object],[object Object]

Plasticity after amputation ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],LANGUAGE ACQUISITION

LANGUAGE ACQUISITION ,[object Object],[object Object],[object Object],[object Object]

BRAIN LATERALIZATION ,[object Object],[object Object]

WHAT DOES HANDEDNESS HAVE TO DO WITH BRAIN LATERALIZATION? ,[object Object],[object Object],[object Object],[object Object]

Thank you and go to Part 4 ,[object Object]

Brain and Its Functions- Part 3

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Brain and Its Functions- Part 3