Chapter 11 Diencephalon Flashcards
Divides the diencephalon into the thalamus dorsally and the hypothalamus ventrally A. Fornix B. 3rd ventricle C. Massa intermedia D. Hypothalamic sulcus
D. Hypothalamic sulcus (p. 156)
Connects the 2 thalami across the midline A. Fornix B. 3rd ventricle C. Massa intermedia D. Hypothalamic sulcus
C. Massa intermedia (p. 156)
Connects the septal (medial olfactory) area with the habenular nuclei A. Stria medullaris thalami B. Habenulo-interpeduncular tract C. Fasciculus retroflexus of Meynert D. Pineal gland
A. Stria medullaris thalami (p. 156)
Lesions affecting the mamillothalamic tract/tract of Vicq d’ Azyr result in:
A. Loss of episodic long-term memory, short-term memory, and intellectual capacities
B. Loss of episodic long-term and short-term memory with relative sparing of intellectual capacities
C. Loss of episodic long-term memory with relative sparing of short-term memory and intellectual capacities
D. Memory is not affected
C. Loss of episodic long-term memory with relative sparing of short-term memory and intellectual capacities (p. 158)
Which of the following thalamic nuclei/nuclear groups form the “limbic thalamus”?
A. Anterior nuclear group + dorsomedial nucleus
B. Anterior nuclear group + lateral dorsal nucleus
C. Dorsomedial + lateral dorsal nucleus
D. Pulvinar-lateral complex + dorsomedial nucleus
B. Anterior nuclear group + lateral dorsal nucleus (p. 159)
Which of the following thalamic nuclei are considered multimodal association thalamic nuclei?
A. Anterior nuclear group + dorsomedial nucleus
B. Anterior nuclear group + lateral dorsal nucleus
C. Dorsomedial + lateral dorsal nucleus
D. Pulvinar-lateral complex + dorsomedial nucleus
D. Pulvinar-lateral complex + dorsomedial nucleus (p. 159)
The following thalamic nuclei make up the “motor thalamus”
A. Pulvinar-lateral complex + dorsomedial nucleus
B. Ventral anterior + ventral lateral nuclei
C. Ventral lateral + ventral posterior nuclei
D. Ventral anterior + ventral posterior nuclei
B. Ventral anterior + ventral lateral nuclei (p. 160)
The subthalamic nucleus of Luys utilizes which neurotransmitter for its output projections? A. GABA B. Glutamate C. Glycine D. Dopamine
B. Glutamate (p. 169)
Involuntary violent hyperkinesia of the contralateral upper and lower extremities known as hemiballismus is due to lesions involving which structure?* A. Thalamus B. Subthalamic nucleus C. Putamen D. Hypothalamus
B. Subthalamic nucleus (p. 169)
Neurotransmitter of the subthalamopallidal fibers* A. GABA B. Glutamate C. Glycine D. Dopamine
B. Glutamate (p. 169)