Hypothalamic dopamine neurons control sensorimotor behavior...

Hypothalamic dopamine neurons control sensorimotor behavior...

University

5 Qs

quiz-placeholder

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Hypothalamic dopamine neurons control sensorimotor behavior...

Hypothalamic dopamine neurons control sensorimotor behavior...

Assessment

Quiz

Biology

University

Medium

Created by

Layla Al-Shaer

Used 1+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Optogenetic activation of th2+ neurons evoked diverse _________ behaviors.

anxiety

feeding

aggression

movement

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Optogenetic activation of thy1+ neurons immediately before the audiomotor stimulus significantly increased startle response probability in fish expressing ChR2, but not non-expressing controls.

True, except that it was thy2+ neuron activation that was performed

False

True

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Although neurons in all four th2-expressing hypothalamic nuclei fire during spontaneous and evoked swimming, differences in their activity and connectivity suggest that these cells ___________.

all project to different nuclei in the brain stem

fall into functionally distinct groups

do not produce dopamine

are in the same functional group

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Laser ablation of the th2+ neurons in the preoptic nucleus (PON) _______ the frequency of spontaneous swimming.

had no effect on

increased

reduced

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following occurred after optogenetic activation of thy2+ neurons?

  1. 1. audiocortex inhibition

  1. 2. turns were reduced and struggles increased

  1. 3. Answers # 1 and 2 are correct

  1. 4. none of these are correct