Neural Explanations For OCD Flashcards

1
Q

What is the role of the worry circuit in relation to OCD?

A

The worry circuit is overactive and filters out threats, linking to OCD

The worry circuit involves the orbital frontal cortex, cingulate cortex, and caudate nucleus.

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2
Q

Which brain regions are involved in the detection and processing of threats?

A
  • Orbital Frontal Cortex (OFC)
  • Cingulate Cortex
  • Caudate Nucleus

These areas work together to detect threats and filter thoughts/actions.

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3
Q

What is the function of the caudate nucleus in the worry circuit?

A

Filters thoughts/actions and stops worry

It acts as a gatekeeper for the worry circuit.

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4
Q

True or False: Higher brain activity is observed in patients with OCD during brain scans.

A

True

Brain scans show increased activity in specific brain areas related to OCD.

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5
Q

Fill in the blank: The __________ is responsible for decision-making in the brain.

A

[Prefrontal cortex]

The prefrontal cortex also acts as a filter in the worry circuit.

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6
Q

What did Menzies et al. find regarding the brain structure in OCD patients?

A

Lower grey matter in the orbital frontal cortex

Brain scans indicated abnormalities in brain structure associated with OCD.

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7
Q

What is the ethical concern surrounding gene therapy for OCD?

A

It involves socially sensitive research and potential risks

Gene therapy may lead to issues like eugenics and societal rejection.

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8
Q

What is a limitation of biological explanations for OCD?

A

Fails to explain why some chemical imbalances are found in OCD and depression, which are separate disorders

This indicates a complexity in understanding OCD beyond biological factors.

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