chapter 15 Flashcards
Temporal lobe includes the
neocortex, limbic cortex, and olfactory cortex
Subcortical structures of the temporal lobe include the
amygdala and hippocampus
Temporal lobe is connected to
other regions throughout the brain
Rough subdivisions of the lateral surface include
auditory areas and areas associated with the ventral visual stream
Olfactory (pyriform) cortex is found on the
medial surface
Temporal–parietal junction is involved in
attention, memory, and decision making in a social context
Deep sulci increase the
surface area of the temporal lobe
Insula, deep within the Sylvian (lateral) fissure, includes the
gustatory cortex
Superior temporal sulcus contains
multimodal association areas
Sensory systems project to the
temporal lobe
Output from the temporal lobe goes to the
frontal and parietal lobes as well as the limbic system and basal ganglia
Hierarchical visual and auditory pathways used for
object recognition
Dorsal auditory pathway directs
movements in response to auditory information
Polymodal visual and auditory pathway supports
object categorization in the superior temporal sulcus
Visual and auditory information projects to the
medial temporal lobe to support long-term memory
Pathways to the frontal lobe are important for
motor control and short-term memory
Olfactory bulb projections to the pyriform cortex are important for
odor perception and memory
Ventral stream was initially understood as a
visual pathway, but newer research suggests there are at least six components
Projections from occipitotemporal pathway project to
striatum to support skill learning
Pathway from inferotemporal cortex to amygdala supports the
processing of emotional stimuli
Pathway from inferotemporal cortex to ventral striatum provides information about
stimulus valence
Multiple pathways from area TE project to the medial temporal lobe, orbitofrontal cortex, and ventrolateral prefrontal cortex; are involved in
long-term memory, object–reward pairings, and working memory
Temporal lobe analyzes sensory information as it enters the nervous system (4)
Processes auditory input
Recognizes visual objects
Stores long-term memories
Processes olfactory input
temporal lobe quickly
categorizing objects is important for accurate perception and memory
Damage to temporal lobe results in deficits in
identifying and categorizing stimuli
Cross-modal matching enables the integration of
visual and auditory information and likely involves the superior temporal sulcus
Olfactory information is processed in the
temporal lobe and added to perception of the stimulus
Sensory input is combined and stored by the
structures of the medial temporal lobe
The affective response is the
subjective feeling about the stimulus
Affective response involves the
amygdala in the medial temporal lobe
Associates the stimulus with positive
neutral, or negative consequences
Following damage to the amygdala, animals do not have an
emotional response to threatening stimuli
Hippocampus contains place cells to encode
location in space and support navigation
Superior Temporal Sulcus
detects biological motion, which is movement of relevance to the species
Understanding the intentions of others is an important part of
social cognition, which depends on multimodal integration in the STS
Body motion, facial movements, and voice cues enable us to
recognize people from a safe distance and enable us to infer the intentions of others
Cells in STS are sensitive to
mouth movements and vocal characteristics
Other cells are responsive to
body motion in a particular direction or to particular facial expressions
When studying brain activity associated with complex visual scenes from movies, multiple subjects showed similar patterns of activity in
auditory and visual regions of the temporal lobe
Different types of scenes from the movie, such as close-ups of faces versus landscape scenes, activated
different parts of the brain
Within the frontal and parietal lobes, there was little
similarity in patterns of brain activity between subjects
Cells in different regions of the temporal lobe learn to
to respond to different categories of stimuli based on experience
Activity in TE depends on
complex combinations of features, including orientation, size, color, and texture
Objects activate different combinations of cells based on the
overall features they possess
The similar pattern of overall activity, despite small changes in the individual objects, may be the basis for
categorization
Experience and training alter
the response patterns of TE neurons
Neurons in the temporal lobe form
cortical columns that respond to categories and shapes
In monkeys, some cells in the temporal lobe respond selectively to
facial identity, and others respond selectively to facial expression
Recognition of pictures is impaired if they are presented
inverted, but the recognition of faces shows greater impairment, suggesting there is a selective ability to recognize upright faces