The adolescent brain lecture 4

What is the dorsal part of the striatum responsible for?

Action selection, meintaining future goals, inhibiting prepotent responses

What is the ventral part of the striatum responsible for?

Evaluation, decision making, learning motivated behavior

What is the prefrontal cortex responsible for?

Cognitive control, motication

During adolescence, which develops and matures faster, the PFC or the striatum?

The striatum

More risky behaviour is associated with what?

More risky behaviours associated with binge drinking early in life

Which brain regions are active when making risky decisions?

mPFC. anterior insula, striatum

Heightened ventral striatum activity during adolescence may be indicitive of what

More risk taking, like binge drinkng

Which 6 brain regions are implicated in anxiety?

1. Amygdala

2. Prefrontal cortex

3. Hippocampus (memory)

4. Bed nucleus of striata terminalis (anticipating threat)

5. Striatum

6. Hypothalamus

What 3 regions are in the fear conditioning circuit?

1. Hippocampus

2. Amygdala

3. PFC

What 3 regions are part of the motivating processor?

Striatum, amygdala, PFC

Which 3,brain regions are psrt of the stress regulation network?

Amygdala, hypothalamus and PFC

Which brain regions are part of the uncertainty anticipation network?

The bed nucleus, PFC and Amygdala

Which 2 brain areas are responsible for the cognitive control network?

The PFC and Amygdala

Is anxety in adolescents caused b the same brain regions as anxiety in adults?

No

During brain scans of adolescents with depression, they found that reward tasks do not activate the striatum. what do they activate?

The PFC