Lecture 26 - Spatial Memory 3 Flashcards

Module 4 (8 cards)

1
Q

In ____ reference frame, space is represented relative to the individual, and locations are defined by the distance and angle relative to the individual’s ____ ____.

A

egocentric; head direction

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2
Q

In an egocentric reference frame, neurons in the ____ ____ ____ represent the angle of the cue light relative to the rat’s head direction

A

posterior parietal cortex

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3
Q

____ boundary cells code specific to the animal’s orientation and distance to boundary, while ____ boundary cells code for the objective location of borders without concerning the animal’s orientation

A

egocentric; allocentric

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4
Q

Egocentric coding of places
As an animal run around in the ____ ____, it has a continuously varying distance and angle to the place marked with the black circle. ____ ____ in the ____ represent all locations in the field regardless if there is an object. When checking the cells in the ____ (rat), the strength of ____ coding to every location is relative to the distance to reward, where ____ firing = ____ to reward.

A

open field; place cells; hippocampus; striatum; egocentric; more; closer

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5
Q

In an open field, the average distance of ____ coded locations is ____ to the active reward site than to the currently non-rewarded location

A

egocentric; shorter

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6
Q

In a cheeseboard maze task, the animal has to find all 3 rewards and return to the start location. ____ ____ represent reward locations ____ than other locations.

A

place cells; more

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7
Q

In the modified cheeseboard maze task from the Hinman Lab, the reward wells must be visited in sequence. This showed that LED guided naviation are purely ____ based, while sucrose water reward location trials can be guided by ____.

A

sensory; memory

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8
Q

In the modified cheeseboard maze task from the Hinman Lab:
Upper row: Motor ____ (from 2 in the bottom row)
Bottom row: sensory ____ -> Spatial ____ <-> Spatial ____

A

Upper row: egocentric
Bottom row: egocentric; egocentric; allocentric

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