Lecture 26 - Spatial Memory 3 Flashcards
Module 4 (8 cards)
In ____ reference frame, space is represented relative to the individual, and locations are defined by the distance and angle relative to the individual’s ____ ____.
egocentric; head direction
In an egocentric reference frame, neurons in the ____ ____ ____ represent the angle of the cue light relative to the rat’s head direction
posterior parietal cortex
____ 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
egocentric; allocentric
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.
open field; place cells; hippocampus; striatum; egocentric; more; closer
In an open field, the average distance of ____ coded locations is ____ to the active reward site than to the currently non-rewarded location
egocentric; shorter
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.
place cells; more
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 ____.
sensory; memory
In the modified cheeseboard maze task from the Hinman Lab:
Upper row: Motor ____ (from 2 in the bottom row)
Bottom row: sensory ____ -> Spatial ____ <-> Spatial ____
Upper row: egocentric
Bottom row: egocentric; egocentric; allocentric